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1.
Eddy current are produced when
2.
An inductive circuit contains a resistance of 
and an inductance of 
. If an ac voltage of 
and frequency of 
is applied to this circuit, the current in the circuit would be nearly
and an inductance of . If an ac voltage of and frequency of is applied to this circuit, the current in the circuit would be nearly
3.
An emf is 15 V is applied in a circuit coil containing 5 H inductance and 
resistance. The ratio of currents at time 
and 
s is
resistance. The ratio of currents at time and s is
4.
The process by which ac is converted into dc is known as
5.
In the adjoining figure the impedance of the circuit will be
6.
An alternating voltage (in volt) given by 
is connected to
capacitor through an AC ammeter. The reading of the ammeter will be
is connected to capacitor through an AC ammeter. The reading of the ammeter will be
7.
In an AC circuit, V and I are given by 
The power dissipated in the circuit is
The power dissipated in the circuit is
8.
The resonance frequency of the tank circuit of an oscillator when 
mH and 
are connected in parallel is
mH and are connected in parallel is
9.
The peak value of an alternating emf E given by 
is 10 V and its frequency is 50 Hz. At a time 
, the instantaneous value of the emf is
is 10 V and its frequency is 50 Hz. At a time , the instantaneous value of the emf is
10.
An alternating e.m.f. of angular frequency 
is applied across an inductance. The instantaneous power developed in the circuit has an angular frequency
is applied across an inductance. The instantaneous power developed in the circuit has an angular frequency