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 √…
7 years ago
Alternating Current
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…
7 years ago
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 =…
7 years ago
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…
7 years ago
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,…
7 years ago
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…
7 years ago
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.…
7 years ago
The primary and secondary coil of the transformer have 50 and 1500 turns respectively
The primary and secondary coil of the transformer have 50 and 1500 turns respectively. If the magnetic flux ? linked…
7 years ago
A step-down transformer has 50 turns on secondary and 1000 turns on primary winding.
A step-down transformer has 50 turns on secondary and 1000 turns on primary winding. If a transformer is connected to…
7 years ago
A step-up transformer operates on a 230 V line and supplies a current of 2 A.
A step-up transformer operates on a 230 V line and supplies a current of 2 A. The ratio of primary…
7 years ago