An ac source is of 200 2 V, 50 Hz. The value of voltage after s from the start is

Physics · Class 12 · CBSE — Alternating Current

An ac source is of \(\frac{200}{\sqrt{2}}\) V, 50 Hz. The value of voltage after s from the start is

1. 200 V
2. V
3. 100 V
4. 50 V

Answer

(B) V

Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.

Related practice questions

• Which of the following quantity/quantities remains same in primary and secondary coils of an ideal…
• A 44 mH inductor is connected to 220 V, 50 Hz ac supply. The rms value of the current in the circuit is
• As the frequency of an ac circuit increases, the current first increases and then decreases. What combination…
• An alternating current generator has an internal resistance R g and an internal reactance X g . It is used to…
• An inductor of 30 mH is connected to a 220 V, 100 Hz ac source. The inductive reactance is
• The r.m.s. value of a current given by i = ( i _ 1 t + i _ 2 t ) is -
• Figure shows a series LCR circuit connected to a variable frequency 230 V source. The source frequency which…
• An LCR series circuit is under resonance. If I m is current amplitude, V m is voltage amplitude, R is the…

More Alternating Current questions · Browse all practice questions