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T5DEdit

The T5D section covers Ohm's Law.
Click "Expand" to reveal the questions.

T5D01

What formula is used to calculate current in a circuit?
Current (I) equals voltage (E) divided by resistance (R)

T5D02

What formula is used to calculate voltage in a circuit?
Voltage (E) equals current (I) multiplied by resistance (R)

T5D03

What formula is used to calculate resistance in a circuit?
Resistance (R) equals voltage (E) divided by current (I)

T5D04

What is the resistance of a circuit in which a current of 3 amperes flows through a resistor connected to 90 volts?
30 ohms

T5D05

What is the resistance in a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?
8 ohms

T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?
A. 3 ohms

T5D07

What is the current flow in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?
1.5 amperes

T5D08

What is the current flowing through a 100-ohm resistor connected across 200 volts?
2 amperes

T5D09

What is the current flowing through a 24-ohm resistor connected across 240 volts?
10 amperes

T5D10

What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?
1 volt

T5D11

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?
10 volts

T5D12

What is the voltage across a 10-ohm resistor if a current of 2 ampere flows through it?
20 volts

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