
Match List-I with List-II.
List - I
List - II
(a)
(i)
Current is in phase with emf
(b)
(ii)
Current lags behind the applied emf
(c)
(iii)
Maximum current occurs
(d)
Resonant frequency
(iv)
Current leads the emf
Choose the correct answer from the options given below.


Important Questions on Electromagnetic Induction and Alternating Currents

A circular conducting coil of radius is being heated by the change of magnetic field passing perpendicular to the plane in which the coil is laid. The resistance of the coil is . The magnetic field is slowly switched off such that its magnitude changes in time as
The energy dissipated by the coil before the magnetic field is switched off completely is .


Two circuits are shown in figure and . At a frequency of _______ the average power dissipated in one cycle will be the same in both the circuits.

A inductor and a resistor are connected in series to a AC source. The approximate current in the circuit and the phase angle between current and source voltage are respectively.
[Take as

Consider an electrical circuit containing a two way switch Initially is open and then is connected to As the current in attains a maximum value of steady-state level, is disconnected from and immediately connected to Potential drop across resistor immediately after is connected to is (Round off to the Nearest Integer)


In the given figure the magnetic flux through the loop increases according to the relation , where is in milliwebers and is in seconds. The magnitude of current through resistor at is _____
