Q.1
According to Ohm's Law
Q.2
Approximately how much current flows through a 3.3 MO resistor across a 30 V source?
Q.3
An electric heater draws 3.5 A from a 110 V source. The resistance of the heating element is approximately
Q.4
A current of 200 µA through a 6.8 kΩ resistor produces a voltage drop of
Q.5
How much voltage is needed to produce 2.5 A of current through a 200 Ω resistor?
Q.6
According to Ohm's Law, if you were to double the voltage and double the resistance, what would happen to the flow of current?
  • It would stay the same
  • It would increase 2x
  • It would increase 4x
  • It would decrease 2x
Q.7
In order to electrical current to flow through a wire the wire must be connected in a ____________ that includes a source of electrical current.
  • averager matter
  • Complete loop
  • In an incomplete loop
  • Interrupted Circuit
Q.8
According to Ohm's Law, if you were to triple the voltage of a circuit without changing the resistance, what would happen to the flow of current?
  • It would stay the same
  • It would increase by 2x
  • It would increase by 3x
  • It would decrease by 3x
Q.9
How much resistance does a heavy duty flashlight have if it has a current ofmA flowing through it and is beingpowered by four 1.5 V cells?
  • 0.15Ω
  • 1.5Ω
  • 15Ω
  • 150Ω
Q.10
What type of energy is the electrical energy from the battery being converted into in this radio?
  • Heat and light
  • Sound and light
  • Sound and heat
  • Potential energy
Q.11
A portable radio connected to a 9.0 V battery draws a current ofA. What is the resistance of the radio?
  • 0.036Ω
  • 0.36Ω
  • 3.6Ω
  • 36Ω
Q.12
Calculate the current an electric clothes dryer draws when it is connected to aV source and has a resistanceof 9.2 Ω.
  • 5A
  • 15A
  • 25A
  • 35A
Q.13
What is the potential difference across an electrical load that has a resistance of 4 Ω and a current of 3 A flowing through it?
  • 4V
  • 8V
  • 12V
  • 16V
Q.14
Electricity is the flow of _________.
  • protons
  • neutrons
  • electrons
Q.15
What would the circuit resistance be if a 7.5 Amp draw was present with the engine running and the charging system producingVolts
  • 15 Ohms
  • 4 Ohms
  • 0.3333 Ohms
  • 2 Ohms
Q.16
How many Volts would it take to push 1 Amp through a resistance of 1 Ohm
  • 10 volts
  • 1 volt
  • 48 volts
  • 5 volts
Q.17
To complete a circuit the switch must be
  • unattached
  • open
  • closed
  • It depends
Q.18
What word means how hard it is for electrons to flow through.
  • Current
  • Voltage
  • Resistance
  • Power
Q.19
Voltage divided by Resistance(V / R)
  • Current
  • Power
  • Ohms
  • Watts
Q.20
If the Voltage is increased and the resistance stays the same, Current will
  • Increase
  • Decrease
  • Stay the same
  • X
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