Ohm's Law

According to Ohm's Law, current equals the voltage divided by the _________.

• Resistance

• Inductance

• Capacitance

• Power

• Conductance

Which equation would you use to solve for voltage?

• V = I/R

• V = PR

• V = CI

• V = IR

• V = R/I

What does the letter 'I' stand for in Ohm's Law?

• Resistance

• Inductance

• Capacitance

• Voltage

• Current

What does the letter 'R' stand for in Ohm's Law?

• Resistance

• Inductance

• Capacitance

• Reactance

• Rate of Change

If the current in an electrical circuit is constant, what will happen to the voltage if the resistance is increased?

• The voltage will decrease.

• The voltage will increase.

• The voltage will stay the same.

If there are 10 Volts across a 5 Ohm resistor, what is the current?

• 0.5 Amps

• 1 Amp

• 2 Amps

• 15 Amps

• 50 Amps

If there are 40 Volts and 5 Amps running through an electrical circuit, what is the resistance of the circuit?

• 1 Ohm

• 2 Ohms

• 4 Ohms

• 6 Ohms

• 8 Ohms

If there are 7 Amps running through a 3 Ohm resistor, what will the voltage be across the resistor?

• 2.5 Volts

• 10 Volts

• 17 Volts

• 21 Volts

• 42 Volts

If you increase the voltage across a resistor, what will happen to the current?

• The current will decrease.

• The current will increase.

• The current will stay the same.

If you increase the size of the resistor and keep the voltage the same, what will happen to the current?

• The current will decrease.

• The current will increase.

• The current will stay the same.