Questions in emi

SelectQuestion
A conducting rod of length l is falling with a velocity v perpendicular to a uniform horizontal magnetic field B. The potential difference between its two ends will be
A conducting wire is moving towards right in a magnetic field B. The direction of induced current in the wire is shown in the figure. The direction of magnetic field will be Question Image
The current carrying wire and the rod AB are in the same plane. The rod moves parallel to the wire with a velocity v. Which one of the following statements is true about induced emf in the rod Question Image
A long horizontal metallic rod with length along the east-west direction is falling under gravity. The potential difference between its two ends will
A two metre wire is moving with a velocity of 1 m/sec perpendicular to a magnetic field of $0.5 weber/m^2$. The e.m.f. induced in it will be
A metal rod moves at a constant velocity in a direction perpendicular to its length. A constant uniform magnetic field exists in space in a direction perpendicular to the rod as well as its velocity. Select the correct statement(s) from the following
A conducting wire is dropped along east-west direction, then
The magnetic induction in the region between the pole faces of an electromagnet is $0.7 weber/m^2$. The induced e.m.f. in a straight conductor 10 cm long, perpendicular to B and moving perpendicular both to magnetic induction and its own length with a velocity 2 m/sec is
A straight conductor of length 0.4 m is moved with a speed of 7 m/s perpendicular to the magnetic field of intensity of 0.9 Wb/m2. The induced e.m.f. across the conductor will be
A coil of $N$ turns and mean cross-sectional area $A$ is rotating with uniform angular velocity $\omega$ about an axis at right angle to uniform magnetic field $B$. The induced e.m.f. $E$ in the coil will be

View Selected Questions (0)

Back to Categories

Back to Home