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Electrical Engineering
T5D - Ohm's law
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Terms in this set (12)
What formula is used to calculate current in a circuit?
I(current)=E(voltage) / R(resistance)
What formula is used to calculate voltage in a circuit?
E(voltage)=I(current) x R(resistance)
What formula is used to calculate resistance in a circuit?
R(resistance)=E(voltage) / I(current)
What is the resistance of a circuit in which a current of 3 amperes flows through a resistor connected to 90 volts?
30 ohms
What is the resistance of a circuit for which the applied voltage is 12 volts & the current flow is 1.5 amperes?
8 ohms
What is the resistance of a circuit that draws 4 amperes from a 12-volt source?
3 ohms
What is the current flow in a circuit with an applied voltage of 120 volts & a resistance of 80 ohms?
1.5 amperes
What is the current flowing through a 100-ohm resistor connected across 200 volts?
2 amperes
What is the current flowing through a 24-ohm resistor connected across 240 volts?
10 amperes
What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?
1 volt
What is the voltage across a 10-ohm resistor if a current of 1 amperes flows through it?
10 volts
What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?
20 volts
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