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Using Ohms Law: V = I x R, where V (Voltage), I (Current), and R (Resistance). re-arranging: V/R = I Therefore if you double both the Voltage and the Resistance, the current remains unchanged.
Current = Voltage / Resistance. If both resistance and voltage double the current remains the same.

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How do you lower the current?

To lower the current in a circuit, you can increase the resistance using Ohm's Law (I = V/R), where I is the current, V is the voltage, and R is the resistance. Alternatively, you can reduce the voltage supplied to the circuit, which will also decrease the current. Additionally, adding resistors in series will increase the total resistance and thus lower the current flowing through the circuit.


What is infinite resistance in a circuit?

It isn't. If you're using superposition, you open circuit current sources and short voltage sources; this is because the current source declares the current that will be flowing through that branch. Both current and voltage sources have a finite internal resistance.


What happens when resistors are interconnected in a circuit?

The net resistance can be found out using the algebraic sums f series and parallel connections. When there is no current flowing in the circuit the net resistance is infinite.


True or false for a given voltage the greater the resistance the less current will flow in a circuit?

True. According to Ohm's Law, which states that current (I) is equal to voltage (V) divided by resistance (R) ( (I = V/R) ), a higher resistance results in less current for a given voltage. Therefore, as resistance increases, the current flowing through the circuit decreases.


What value must be known to determine the current in a complex circuit?

To determine the current in a complex circuit, you must know the total voltage supplied by the power source and the total resistance of the circuit. Using Ohm's Law (I = V/R), where I is the current, V is the voltage, and R is the resistance, you can calculate the current flowing through the circuit. Additionally, if the circuit is alternating current (AC), knowing the impedance is also essential.

Related Questions

What happen is the potential difference across is double?

If the potential difference across a circuit is doubled, the current flowing through the circuit will also double, assuming the resistance remains constant. This is because Ohm's Law states that current is directly proportional to voltage when resistance is held constant.


What is the relationship between resistance and current in an electrical circuit?

The relationship between resistance and current in an electrical circuit is described by Ohm's Law, which states that the current flowing through a circuit is directly proportional to the voltage applied and inversely proportional to the resistance in the circuit. In simpler terms, as resistance increases, the current flowing through the circuit decreases, and vice versa.


What is the relationship between current and resistance in an electrical circuit?

In an electrical circuit, the relationship between current and resistance is described by Ohm's Law. This law states that the current flowing through a circuit is directly proportional to the voltage applied and inversely proportional to the resistance in the circuit. In simpler terms, as resistance increases, the current flowing through the circuit decreases, and vice versa.


When is the current flowing in a circuit said to be very small?

The current flowing in a circuit is said to be very small when it is in the range of microamperes (10^-6 A) or even lower. This low current can be indicative of high resistance or very low power consumption in the circuit.


The power in an electrical circuit is given by the equation P I2R where I is the current flowing through the circuit and R is the resistance of the circuit. What is the power in a circuit that has a c?

The power in a circuit is determined by multiplying the square of the current flowing through the circuit by the resistance of the circuit. Without specific values for current and resistance provided, the precise power cannot be calculated.


What is the resistance of the circuit if the voltage is 230 volts and the current flowing is 5 amps?

The resistance of the circuit will be 46 ohms


When is current the smallest?

Current is smallest when the resistance in the circuit is highest, according to Ohm's Law (I = V/R). This means that when the resistance in a circuit is increased, the current flowing through the circuit decreases.


What is a device that can control the current in a circuit?

A variable resistor can be used to control the current in a circuit by adjusting its resistance. By changing the resistance value, the amount of current flowing through the circuit can be regulated.


What is resistance do in a circuit?

lowers the amt of electrical current flowing through it.


What does the amount of current flowing in each branch of a parallel circuit depend on?

The amount of current flowing in each branch of a parallel circuit depends on the resistance of each branch. The branch with less resistance will have more current flowing through it, while the branch with more resistance will have less current flowing. Each branch acts independently because they provide multiple paths for current to flow.


What is the relationship between current and resistance in a circuit when the voltage is kept constant?

In a circuit with constant voltage, the relationship between current and resistance is inversely proportional. This means that as resistance increases, the current flowing through the circuit decreases, and vice versa.


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 .