The current increases at the rate of ` 10A s^-1` in the coil of inductance of `1.26 xx 10^-3` H. Calculate the magnitude of self induced emf

The current in the choke coil decreasing at the rate of 3 A//s and choke coil has inductance 3 H. Then induced e.m.f. across coil is

The current in one coil increases from 0 mA to 500 mA in 0.1 ms. The emf induced in the second coil is 500V. Calculate the mutual inductance between the coil.

The current in one coil increasesfrom0 to 500 mA in 0.1 ms. The induced emf in the second coil is 500 V. Calculate the mutual inductance between the two coils.

The conductor moving with uniform velocity of 10 m//s at right angles to the magnetic field of induction 0.4 xx 10^-4 Wb//m^2 . Calculate length of the conductor if the e.m.f. induced at the ends of conductor is 6 xx 10^-5V .

A cycle wheel with 10 spokes each of length 0.5 m long is rotated at a speed of 18 km//hr in a plane normal to the earth’s magnetic induction of 3.6 xx 10^-5 T . Calculate the e.m.f. induced between the axle and rim of the cycle wheel

A cycle wheel with 10 spokes each of length 0.5 m long is rotated at a speed of 18 km//hr in a plane normal to the earth’s magnetic induction of 3.6 xx 10^-5 T . Calculate the e.m.f. induced between the ends of single spoke and ten spokes.

A conductor of length 0.3 m moves with a uniform velocity of 10 m//s at right angles to the magnetic field of induction 0.5 xx 10^-4 Wb//m^2 . Calculate the e.m.f. induced in it.

A square loop of side 12 cm with its sides parallel to X and Y axes is moved with a velocity of 8cms^-1 in the positive x- direction in an enviornment containing a magnetic field in the positive z- direction. The field is neither uniform in space nor constant in time. it has a gradient of 10^-3Tcm^-1 along the negative x-direction (that is it increases by 10^-3 T cm^-1 as one moves in the negative x-direction) and it is decreasing in time at the rate of 10^-3T s^-1 . Determine the direction and magnitude of the induced current in the loop if its resistance is 4.50 m Omega .

The charge on the electron is 1.6 xx 10^(-19) C . The order of magnitude is

The magnetic flux linked with a coil changes from 12xx10^-3 Wb to 6xx10^-3 Wb in 0.01 second. Calculate the induced emf.