The figure shows a series ac circuit. The inductor has a reactance of $60 \Omega$ and an inductance of 150 $\mathrm { mH }$. A $50 - \Omega R$ and a capacitor $C$ whose reactance is $90 \Omega$ are also in the circuit, and the rms current in the circuit is $1.5 \mathrm {~A}$. What is the rms voltage of the source?

A) $81 \mathrm {~V}$
B) $75 \mathrm {~V}$
C) $78 \mathrm {~V}$
D) $84 \mathrm {~V}$
E) $87 \mathrm {~V}$

Question

The figure shows a series ac circuit. The inductor has a reactance of $60 \Omega$ and an inductance of 150 $\mathrm { mH }$. A $50 - \Omega R$ and a capacitor $C$ whose reactance is $90 \Omega$ are also in the circuit, and the rms current in the circuit is $1.5 \mathrm {~A}$. What is the rms voltage of the source?

A) $81 \mathrm {~V}$ 
B) $75 \mathrm {~V}$ 
C) $78 \mathrm {~V}$ 
D) $84 \mathrm {~V}$ 
E) $87 \mathrm {~V}$

Quizplus · Accepted Answer

The Answer of The figure shows a series ac circuit. The inductor has a reactance of $60 \Omega$ and an inductance of 150 $\mathrm { mH }$. A $50 - \Omega R$ and a capacitor $C$ whose reactance is $90 \Omega$ are also in the circuit, and the rms current in the circuit is $1.5 \mathrm {~A}$. What is the rms voltage of the source?

A) $81 \mathrm {~V}$ 
B) $75 \mathrm {~V}$ 
C) $78 \mathrm {~V}$ 
D) $84 \mathrm {~V}$ 
E) $87 \mathrm {~V}$

The Figure Shows a Series Ac Circuit 60Ω60 \Omega60Ω And an Inductance of 150

The Figure Shows a Series Ac Circuit $60 \Omega$ And an Inductance of 150