# How does resistance affect the current in a circuit?

Resistance decreases the amount of current in a circuit, because it opposes current. Also, the relationship can be shown mathematically:

Current=Voltage/Resistance, resistance is divided into the voltage, creating a smaller number which is the value for current.

### How will resistance affect parallel circuit?

in a parallel circuit resistance decreases increasing the current. Read More

### How do you think increasing the resistance in a circuit will affect the current in the wire?

Since resistance is the ratio of voltage to current, if the voltage is constant then increasing the resistance will result in a reduction in current. Read More

### Describe how a change in resistance would affect the current in a circuit?

As long as the voltage between the ends of the circuit remains constant, the current through the circuit is inversely proportional to the total effective resistance of the circuit. Read More

### Do additional resistors affect current in a series circuit?

Yes, additional resistors affect current in a series circuit by increasing the total resistance, which decreases the total current. Read More

### 1 What is the effect caused by the ammeter resistance when an ammeter is inserted into a circuit to measure the current?

An ammeter has a finite resistance which is inserted in series with the rest of the circuit, increasing the total resistance and decreasing the current. A good ammeter has a very low resistance, so it shouldn't affect the circuit noticeably. Read More

### What is the affect of a series circuit on current?

by adding the the resistances in series the total resistance of the circuit increses and thus the crunt flowing in the circuit decrese. Ans 2 . the current in series circuit of constant resistance will always be the same . It will not effect the current . Read More

### How does resistance affect an electrical current?

Ohm's law states that the current is directly proportional to the applied EMF (voltage) and inversely proportional to the resistance of a circuit. Read More

### How does the loading effect of a voltmeter in a low-resistance circuit compare to the loading effect in a high-resistance circuit?

The voltmeter has an internal resistance, which should be as high as possible. As this resistance draws current from the circuit under test, it will affect circuit operation. This is more pronounced in a high impedance circuit because the current drawn flows through higher resistances. Read More

### How does changing the potential difference in a circuit affect the resistance?

Changing the potential difference in a circuit does not change the resistance. Rather, it changes the current. Read More

### Reducing voltage in a circuit does not affect resistance?

Reducing voltage in a circuit does not directly affect resistance. It affects current. Resistance is an independent variable. Ohm's law: voltage equals current times resistance. However, reducing voltage and/or current does reduce power, which reduces temperature, which can change resistance because resistance is usually affected to some degree by temperature. Read More

### Why doesn't current decrease in series resistance circuit though resistance opposes current?

If you add another resistor or just increase the resistance the current will decrease. I think the statement you are talking about means that whatever the current is in the series circuit it will be the same everywhere in that circuit, on both sides of the resistance. The resistance lowers the current in the entire circuit, not just after the resistance. Read More

### What happens to current when it increseas resistance?

In an electrical circuit, if total resistance in the circuit is increased, then the amount of current in the circuit decreased. Read More

### How can an ammeter be connected in a circuit and not effect the flow of current?

The ammeter does affect the flow of current in a circuit, however, the resistance of the ammeter is so small in comparison to the circuit that the effect is negligible. It is connected in series. Read More

### When resistance is in a circuit what happens to the current?

When you add resistance to a circuit, current goes down. Ohm's Law: current = voltage divided by resistance. Read More

### How do you decrease the current of a circuit?

the current flowing in the circuit can be reduced by simply adding a shunt resistance in parallel with the circuit , the shunt resistance must have much lower value than the resistance of the circuit Read More

### What would happen to circuit if there was no resistance?

a circuit with no resistance or zero resistance can be considered as open circuit in which the current is zero. without resistance the circuit just becomes open () Read More

### The amount of current in a circuit can what by increasing the amount of resistance present in the circuit?

No it cant. Voltage = Current x Resistance. So at constant Voltage if the Resistance is increased, Current will reduce Read More

### How does the length of a wire affect the resistance?

The length of a wire affect resistance because if a long wire is used in an electrical connection.the resistance to be used in driving current round the circuit will be used in overcoming resistance of the lenghty wire. Read More

### How does the voltage applied to a circuit affect the current flowing through the wire?

Voltage is equal to the Current multiplied by the Resistance. Without changing the resistance, increasing the applied voltage in a circuit will increase current flow. There is a simple, direct relationship between voltage and current. Double the voltage, twice the current will flow. Triple the voltage, and the current will triple. As voltage (E) equals current (I) times resistance (R), when resistance is fixed, what happens to voltage will happen to current. Read More

### If voltage constant when the current increases what does the resistance do?

In an electric circuit, ratio of current and voltage is constant which is known as the resistance of the circuit. If voltage or current is to be changed the resistance has to be changed. You cannot keep an invariable resistance in the circuit and increase current while keeping voltage as constant.Hence to vary the voltage or current in a circuit different equipments like rheostat,potentiometer are used. Read More

### How does adding more resistance effect current in series circuit?

Increasing resistance in a series circuit would decrease current. Read More

### What are two factors that affect the amount of electric current in a wire?

V = I * R or I = ( V / R ) I = current (amps) V = Voltage R = Resistance The current in a circuit depends on the applied voltage and the resistance of the circuit. Read More

### Current in a circuit is inversely proportional to?

In a circuit , current is inversely proportional to the resistance. Read More

### What is the resistance of a circuit?

The resistance of a circuit is the total opposition offered to the flow of electric current. Read More

### In series circuit is currant change with change in resistance?

yes, The current flowing in a series circuit is given by the applied voltage divided by it's total resistance offered by the circuit. hence if resistance of the circuit is changed, then total circuit resistance will change, so current will change. Read More

### What happens to the current in a circuit if one resistance is doubled or halved?

If the resistance is doubled, the current will be diminished, if the resistance is halved, the current will be increased. Read More

### Why is the current very high in a short circuit?

Current is usually very high in a short circuit because the short circuit usually represents a low resistance path for current to flow. By Ohm's Law, current is voltage divided by resistance, and when resistance is very low, current is very high. Read More

### What reduces the current in the circuit?

The reduction of voltage or the increase of resistance will reduce the current in a circuit. Read More

### What is the purposed of resistance in the circuit?

Resistance is generally used to control the flow of amount of current in the circuit. Read More

### How will resistance change when voltage increases in an electric circuit if the current remains constant?

When the current remains constant, an increase in voltage will increase the resistance of the circuit. Answer Completely impractical question. None of the factors that affect resistance are mentioned so what you describe cannot happen! Read More

### What are the two reasons for the current to double in a circuit?

Since current = voltage / resistance, I = V/R, the current in a circuit will double if either the voltage doubles, or the resistance is halved. Read More

### Using ohm's law what is the formula to find the resistance in a circuit?

Resistance of the circuit = (voltage across the circuit) divided by (current through the circuit) Read More

### What effect does decreased resistance have on a circuit?

resistance is the opposition to the flow of an electric current, therefore the current will decrease as the resistance increases. Resistance also creates heat. This is how the light globes in a circuit light up. Read More

### How can a current in the short circuit be higher then in the original?

Current equals voltage divided by resistance in a DC circuit, or I=V/R (A similar relationship applies to AC.) The "original" circuit has the resistance of the wire plus the resistance of the load. The short circuit only has the resistance of the wire up to the point of the short circuit. In the equation I=V/R, less resistance with the same source voltage results in higher current. Read More

### Is the current pass through parallel short resistance?

no.because current always try to flow trough low resistance path.as short circuit has low resistance current pass trough short circuit Read More

### What is the voltage of a circuit with a resistance of 250 ohms and a current of 0.95 amps?

The voltage of a circuit with a resistance of 250 ohms and a current of 0.95 amps is 237.5 volts. Ohms's law: Voltage = Current times Resistance Read More

### Why does resistance decrease in a parallel circuit?

Resistance is the ratio of voltage to current, R=-V/I. In a parallel circuit there are more than one path for current, thus there is more current for the same voltage or lower resistance. Read More

### What is the relationship between voltage and current and resistance in a simple circuit?

Resistance is the ratio of voltage to current. Read More

### If the resistance of an electric circuit is 12 ohms and the voltage in the circuit is 60 V the current flowing through the circuit is?

..using the formula Voltage(V)=Current(I) * Resistance(R) .. we can get the result ...current will be 5 Ampere Read More

### How is current related to resistance in a circuit?

Ohm's law: voltage is current times resistance. Restating this; current is voltage divided by resistance, so increasing resistance would decrease current. Read More

### What does it mean by the term short circuit?

Electricity travels in a path of least resistance. A short circuit can be classed as a circuit of very little or no measurable resistance. In a short circuit the supply voltage returns directly to the return conductor or a grounded medium as this circuit has a lower resistance that the load resistance. The load resistance in a circuit is what controls the amperage flowing in the circuit. A short circuit with a very low resistance… Read More

### What will happen in a circuit if the voltage does not change but the resistance in the circuit increases?

If the resistance increases, while the voltage stays the same, current will decrease. Current = voltage divided by resistance Read More

### What is the resistance of the circuit if current flow is 6 amperes in a 120-V circuit?

The resistance of a circuit if current flow is 6 amperes and voltage drop is 120 volts is 20 ohms. (Ohm's law: resistance is voltage divided by current.) Read More

### What is the resistance in a circuit that has a voltage of 60v and a current of 2A?

A circuit with a voltage of 60 volts and a current of 2 amperes has a resistance of 30 ohms. Ohm's law: Voltage equals resistance times current. Read More

### How does increasing the resistance affect the current?

Increasing resistance decreases current. Read More

### What happens when resistance is varied in a circuit?

If current is held constant, the voltage across the circuit varies in direct proportion to the resistance. If voltage is held constant, the current through the circuit varies in inverse proportion to the resistance. Read More

### How the temperature of a thermistor affect the current which is able to flow in the circuit?

The resistance of a thermistor decreases when the temperature increases. So more current can pass when the thermistor has a high temperature. Read More

### How does resistance effect the flow of current in a wire?

Current is inversely proportional to the resistance of the circuit. Resistance goes up, current goes down. Resistance goes down, current goes up. Read More