The RL circuit in the below figure is fed from a constant magnitude, variable frequency sinusoidal voltage source VIN. At 50 Hz, the R and L elements each have a voltage drop Vrms. If the frequency of the source is changed to 25 Hz, the new voltage drop across R is ___________

The RL circuit in the below figure is fed from a constant magnitude, v

1.	The RL circuit in the below figure is fed from a constant magnitude, variable frequency sinusoidal voltage source VIN. At 50 Hz, the R and L elements each have a voltage drop Vrms. If the frequency of the source is changed to 25 Hz, the new voltage drop across R is ___________
A.	\(\sqrt{\frac{5}{8}}\) Vrms
B.	\(\sqrt{\frac{2}{3}}\) Vrms
C.	\(\sqrt{\frac{8}{5}}\) Vrms
D.	\(\sqrt{2}\) Vrms
Answer» D.

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The RL circuit in the below figure is fed from a constant magnitude, variable frequency sinusoidal voltage source VIN. At 50 Hz, the R and L elements each have a voltage drop Vrms. If the frequency of the source is changed to 25 Hz, the new voltage drop across R is ___________

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