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What current will be needed to produce a voltage of 5V across a 12kΩ resistor?
Ohm's Law: Current = voltage divided by resistance. 5 V divided by 12 KΩ is 416 2/3 ma
How much current is need for 12 VDC to flow through water?
First thing voltage does not flow current does. Voltage is the potential or pressure needed to make the current flow. Current is directly proportional to the applied voltage and inversely proportional to the resistance of the circuit. To make the current flow you have to adjust the resistance of the circuit and that would be the water in this case. Salt added to water will make the water conductive so the resistance can be adjusted thereby making the current rise or fall depending on the water solution's resistive properties. The equation that you should consider using is Amps = Volts/Resistance.
Magnetic inrush current in power transformer?
When a transformer is initially connected to a source of AC voltage, there may be a substantial surge of current through the primary winding called inrush current. Inrush current can be up to ten times higher than the continuously needed current because there is low initial resistance.
What are the factors affecting the electric power industry?
Resistance Resistance is one of the biggest factors affecting power flow in a network. Resistance impedes the flow of electricity. Every element of an electric network has some amount of resistance. The electricity and power of a network will follow the path of least resistance. In order to calculate the power of a resistive element, such as a resistor, at least two of three things need to be known: the resistance of the element, the voltage across the element and/or the current through the element. The power of an element can be calculated either by voltage times current; current squared times resistance; or voltage squared divided by resistance. Load The type of load attached to a network will affect a networks power flow as well. A resistor connected as a load to a network will generate a constant power flow. An electric motor will generate a very high power during startup due to the high current needed to start the motor. As the motor reaches its normal speed, the power needed will drop and stabilize to a fairly constant state. The power needed from the network will remain constant as long as the motor's speed and load are constant. If the motor's load increases, the power needed from the network will increase. Circuit Type There are two basic types of circuits, series and parallel circuits. In a series circuit, all of the current flows through one load. In a parallel circuit, there are multiple paths for the current to supply multiple loads. Each branch gets a fraction of the current depending on the resistance of each branch element. This also means that each branch will use a different amount of power.
What size resistor is needed to drop from 5vdc to 3vdc?
use Ohm's law: to drop 2 volts, V = I x R 2 = current x resistance resistance = 2 / current. So you need to know the current
What voltage is needed to produce 6 A current through a resistance of 3?
18volts
How much voltage is needed to produce a current of 2 ampsthrough a resistance of 6 ohms?
12 voltage
If a circuit has a resistance of 4 ohm's how much voltage is needed to produce a 1.4 current in the circuit?
Voltage across a resistance = (resistance) x (current through the resistance) =4 x 1.4 = 5.6If the ' 1.4 ' is Amperes of current, then the required voltage is 5.6 volts.
What voltage is needed to produce a 6 A current in an object that has a resistance of 3 ohm?
18 volts
How much voltage is needed to produce a current of 0.5 ampere in a circuit that has a resistance of 24 ohms?
Work it out yourself -the equation is: voltage = current x resistance.
What current will be needed to produce a voltage of 5V across a 12kΩ resistor?
Ohm's Law: Current = voltage divided by resistance. 5 V divided by 12 KΩ is 416 2/3 ma
How does the steepness of the graph relate to the resistance?
The steepness of a graph, particularly in a voltage-current (V-I) graph, indicates the resistance of a circuit element according to Ohm's Law (V = IR). A steeper slope signifies higher resistance, as it shows that a greater voltage is required to produce a given current. Conversely, a less steep slope indicates lower resistance, meaning less voltage is needed for the same current. Thus, the slope of the graph inversely reflects the resistance: steeper slopes correspond to higher resistance values.
How much voltage would be needed to produce a current that could be felt?
The voltage needed to produce a current that can be felt varies from person to person, but typically a voltage above 10 milliamperes can be felt by most individuals. Keep in mind that electrical current can be dangerous, and it is not recommended to intentionally expose oneself to electric shocks.
How many 1.5 V batteries are needed to produce 40mA of current if the resistance is equal to 150?
4
What voltage is needed to produce a current of 2 amps through a resistance of 6 ohms?
Where: V = Voltage (Volts), A = Current (Amps) and R = Resistance, (Ohms)Here are a few easy and related equations.V = A * RR= V / AA = V / RSo we have R=3 and A =6 and using the V=A*R equation we getVolts = A(6)*R(3) = 18 Volts.
How many volts would kill a person?
It only takes about 50-100 milliamps of current to disrupt the heart's rhythm and potentially cause death, regardless of the voltage. The voltage needed to produce this current varies depending on individual factors like skin resistance and contact points. However, in general, a voltage above 50 volts is considered potentially lethal.
Why does the terminal voltage decreases as the load current increases?
A: That will happen anytime the voltage source is not able to provide the power needed for the load. If the load exceed the power available from the source the voltage will be reduced as IR drop from the source
