Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Alternating Current

Question:

If V = q/C = Vm Cos wt and I = dq/dt, then which of the following is also correct for I ?

Options:

w Vm Cos wt/C

w C2 Vm Cos wt

w C Vm Cos wt

w2 C Vm Cos wt

Correct Answer:

w C Vm Cos wt

Explanation:

I = \(\frac{d Vm C Sin wt}{dt}\) because I = dq/dt

I = w C Vm Cos wt