Quiz  /  Ohm's Law

  • 1. 
    According to Ohm's Law, current equals the voltage divided by the _________.

  • Resistance
  • Power
  • Inductance
  • Capacitance

  • 2. 
    What equation would you use to solve for voltage?

  • V = CI
  • V = PR
  • V = I/R
  • V = IR

  • 3. 
    What does the letter 'I' stand for in Ohm's Law?

  • Inductance
  • Current
  • Capacitance
  • Resistance

  • 4. 
    What does the letter 'R' stand for in Ohm's Law?

  • Resistance
  • Inductance
  • Reactance
  • Capacitance

  • 5. 
    If the current in an electrical circuit is constant, what will happen to the voltage if the resistance is increased?

  • The voltage will increase
  • The voltage will stay the same
  • The voltage will decrease

  • 6. 
    If there are 10 Volts across a 5 Ohm resistor, what is the current?

  • 2 Amps
  • 0.5 Amps
  • 1 Amp
  • 15 Amps

  • 7. 
    If there are 40 Volts and 5 Amps running through an electrical circuit, what is the resistance of the circuit?

  • 4 Ohms
  • 2 Ohms
  • 1 Ohm
  • 8 Ohms

  • 8. 
    If there are 7 Amps running through a 3 Ohm resistor, what will the voltage be across the resistor?

  • 17 Volts
  • 21 Volts
  • 2.5 Volts
  • 10 Volts

  • 9. 
    If you increase the voltage across a resistor, what will happen to the current?

  • The current will stay the same
  • The current will decrease
  • The current will increase

  • 10. 
    If you increase the size of the resistor and keep the voltage the same, what will happen to the current?

  • The current will stay the same
  • The current will increase
  • The current will decrease
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