Quiz  /  Electric Current

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

  • Resistance
  • Power
  • Inductance
  • Capacitance

  • 2. 
    What is electrical current?

  • The rate at which electrical energy is transferred
  • The potential difference between two points in an electric circuit
  • The flow of electric charge
  • All of the above

  • 3. 
    What is the unit of measurement for electrical current?

  • Ampere
  • Volt
  • Coulomb
  • Watt

  • 4. 
    What letter is used to represent current in an electrical diagram or formula?

  • c
  • i
  • v
  • e

  • 5. 
    What is the standard unit of measurement for electrical charge?

  • Volt
  • Ampere
  • Coulomb
  • Watt

  • 6. 
    If you have a 12 Volt battery placed across a 6 Ohm resistor, what will the current be?

  • 2 Amps
  • 0.5 Amps
  • 1 Amp
  • 4 Amps

  • 7. 
    If you place a 50 Volt power source across a 10 Ohm resistor, what will the current be?

  • 0.5 Amps
  • 2 Amps
  • 5 Amps
  • 1 Amp

  • 8. 
    If the current is 2 Amps and the voltage is 8 Volts, what is the power?

  • 6 Watts
  • 10 Watts
  • 16 Watts
  • 4 Watts

  • 9. 
    What do we call current that only flows in one direction?

  • DC current
  • AC current

  • 10. 
    What do we call current that constantly changes direction?

  • AC current
  • DC current
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