Problem: A RL circuit is driven by an AC generator as shown in the figure.The phase difference between the CURRENT through the resistor and inductor ___________.A. is always zeroB. is always 90°C. depends on the value of L and RD. depends on L, R, and the generator voltageBriefly explain you reasoning.

FREE Expert Solution

Current:

i=vR

The phase difference between the inductor and the resistor remains constant at 90°.

Since the circuit is the same, it will be the same current. 

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Problem Details

A RL circuit is driven by an AC generator as shown in the figure.

The phase difference between the CURRENT through the resistor and inductor ___________.

A. is always zero

B. is always 90°

C. depends on the value of L and R

D. depends on L, R, and the generator voltage

Briefly explain you reasoning.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Phasors for Inductors concept. You can view video lessons to learn Phasors for Inductors. Or if you need more Phasors for Inductors practice, you can also practice Phasors for Inductors practice problems.