For an $A.C.$ current $I = 100 \sin(200 \pi t)$,after what time does the current reach its maximum value?

  • A
    $\frac{1}{100} \ s$
  • B
    $\frac{1}{200} \ s$
  • C
    $\frac{1}{300} \ s$
  • D
    $\frac{1}{400} \ s$

Explore More

Similar Questions

An alternating current is given by $I = I_A \sin \omega t + I_B \cos \omega t$. The r.m.s. current will be

The $r.m.s.$ value of current for a variable current $i = i_1 \cos \omega t + i_2 \sin \omega t$ is:

Difficult
View Solution

The peak value of $220 \, V$ of $ac$ mains is ...... $V$.

The current flowing through an $AC$ circuit is given by $I = 5 \sin(120 \pi t) \text{ A}$. How long will the current take to reach the peak value starting from zero?

The output voltage of a step-down transformer is measured to be $24 \text{ V}$, when connected to a $12 \text{ W}$ light bulb. The value of the peak current is . . . . . . .

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo