Questions

An ac voltage is applied to a resistance R and an inductor L in series

An ac voltage is applied to a resistance R and an inductor L in series. If R and the inductive…

Weber ampere per metre is equal to

Weber ampere per metre is equal to Options (a) Joule (b) Henry (c) Newton (d) Watt Correct Answer: Newton Explanation:…

The alternating current in a circuit is given by I=50 sin314t. The peak value

The alternating current in a circuit is given by I=50 sin314t. The peak value and frequency of the current are…

Power dissipated in an LCR series circuit connected to an a.c source of emf ? is

Power dissipated in an LCR series circuit connected to an a.c source of emf ? is Options (a) ?ᅡᄇ √…

An alternating emf given by equation e=300 sin⁡[(100 π)t] V

An alternating emf given by equation e=300 sin⁡[(100 π)t] V is applied to a resistance 100Ω. The rms current through…

In an a.c circuit the e.m.f. (e) and the current (i) at any instant are given

In an a.c circuit the e.m.f. (e) and the current (i) at any instant are given respectively by e =…

What is the value of incidence L for which the current is maximum in a series LCR

What is the value of incidence L for which the current is maximum in a series LCR circuit with C…

The average power dissipated in AC circuit is 2 W. If a current flowing through

The average power dissipated in AC circuit is 2 W. If a current flowing through a circuit is 2 A,…

A transformer is used to light a 100 W and 110 V lamp from a 220 V mains.

A transformer is used to light a 100 W and 110 V lamp from a 220 V mains. If the…

In L-C-R series circuit, an alternating emf e and current i are given by the equations

In L-C-R series circuit, an alternating emf e and current i are given by the equations e=100 sin (100t) V.…