2. Electricity

Alternating Current — Quiz

Test your understanding of alternating current with 5 practice questions.

Practice Questions

Question 1

Which of the following describes the relationship between the peak current ($I_0$) and the rms current ($I_{rms}$) in an AC circuit?

Question 2

An inductor in an AC circuit causes the voltage to:

Question 3

What is the formula for the capacitive reactance ($X_C$) in an AC circuit?

Question 4

In a series RLC AC circuit, if the inductive reactance ($X_L$) is $50 \ \Omega$ and the capacitive reactance ($X_C$) is $20 \ \Omega$, what is the net reactance ($X$)?

Question 5

A sinusoidal AC voltage is given by $V(t) = 200 \sin(100 \pi t)$. What is the frequency of the AC voltage?