Using 4 kWh of power is equivalent to using 2000 W of power for 2 h.
Answer: Option B
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The current through a resistor can be found by dividing the resistor's voltage by its ohmic value.
Answer: Option D
The voltage drop across a resistor is simply a difference of potential across that resistor.
Doubling the voltage across a resistor will cut the current by half.
Answer: Option A
Current and voltage have a nonlinear relationship.
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