List of top Physics Questions on Electromagnetic induction asked in KCET

In the figure, a conducting ring of certain resistance is falling towards a current-carrying straight long conductor. The ring and conductor are in the same plane. Then the
current-carrying straight long conductor
The current in a coil changes from 2A to 5A in 0.3s. The magnitude of emf induced in the coil is 1.0V. The value of self-inductance of the coil is
A magnetic field of flux density 1.0 Wb m-2 acts normal to a 80 turns coil of 0.01 m2 area. If this coil is removed from the field in 0.2 second, the emf induced in it is
A fully charged capacitor 'C' with initial charge 'q0' is connected to a coil of self inductance 'L' at t = 0. The time at which the energy is stored equally between the electric field and the magnetic field is

Electrical as well as gravitational effects can be thought to be caused by fields. Which of the following is true for an electrical and gravitational field ?

The electric field and the potential of an electric dipole vary with distance 'r' as 

A charge particle of mass 'm' and charge 'q' is released from rest in an uniform electric field 'E'. Neglecting the effect of gravity, the kinetic energy of the charged particle after 't' second is 

A metallic rod of mass per unit length 0.5 kg m-1 is lying horizontally on smooth inclined plane which makes an angle of 30 degree with the horizontal. A magnetic field of strength 0.25 T is acting on it in the vertical direction. When a current I is flowing through it, the rod is not allowed to slide down. the quantity of current required to keep the road stationary is

Which of the following radiations is deflected by electric field?

Which of the field pattern given below is valid for electric field as well as for magnetic field ?
A strong magnetic field is applied on a stationary electron. Then the electron
A copper rod AB of length l is rotated about end A with a constant angular velocity ω. The electric field at a distance x from the axis of rotation is
Though the electron drift velocity is small and electron charge is very small, a conductor can carry an appreciably large current because
A jet plane having a wing-span of 25 m is travelling horizontally towards east with a speed of 3600 km/hour. If the Earth?s magnetic field at the location is 4×10−4 T4 \times 10^{-4} \, T and the angle of dip is 30∘30^{\circ}, then, the potential difference between the ends of the wing is
A bar magnet is allowed to fall vertically through a copper coil placed in a horizontal plane. The magnet falls with a net acceleration
A jet plane of wing span 20 m20\, m is travelling towards west at a speed of 400 ms−1400 \,{ms^{-1}}. If the earth?s total magnetic field is 4×10−4T4 \times 10^{-4} T and the dip angle is 30∘30^\circ, at that place, the voltage difference developed across the ends of the wing is
A long solenoid with 4040 turns per cm carries a current of 1 A1\,A. The magnetic energy stored per unit volume is ........ J/m3J/ m^3.
An aircraft with a wingspan of 40 m40\, m flies with a speed of 1080 km/hr1080\, km/hr in the eastward direction at a constant altitude in the northern hemisphere, where the vertical component of the earth's magnetic field 1.75×10−51.75 \times 10^{-5} TT. Then the emf developed between the tips of the wings is
A rectangular coil of 100100 turns and size 0.1 m×0.05 m0.1 \,m \times 0.05\, m is placed perpendicular to a magnetic field of 0.1 T0.1 \,T. If the field drops to 0.05 T0.05 \,T in 0.050.05 second, the magnitude of the e.m.f. induced in the coil is
Direction of current induced in a wire moving in a magnetic field is found using
The energy stored in an inductance of self inductance LL heavy carrying a current of II ampere is
In the series L−C−RL-C-R circuit shown, the impedance is
There is a uniform magnetic field directed perpendicular and into the plane of the paper. An irregular shaped conducting loop is slowly changing into a circular loop in the plane of the paper. Then
Near a circular loop of conducting wire as shown in the figure an electron moves along a straight line. The direction of the induced current if any in the loop is
A rectangular coil of 300300 turns has an average area of 25 cm×10 cm.25\, cm \times 10\, cm . The coil rotates with a speed of 50 cps50\, cps in a uniform magnetic field of strength 4×10−2T4 \times 10^{-2} T about an axis perpendicular to the field. The peak value of the induced emf is (in volt)