UPPCL EE :Electromagnetic Fields Quiz 3

Relate 'Reluctance' with the following _______.

If the vector field  represents a magnetic field then the value of k must be

A circular loop is rotating about the y-axis as a diameter in a magnetic field . The induced emf in the loop is :

A solenoid having cross-sectional area of 25 cm². If solenoid has 80 primary turn/cm & 160 secondary turns over the circumference. Calculate the mutual inductance for the solenoid.

The lines of force due to charged particles are ________.

An electric charge moves with a velocity (v) parallel to the lines of force of a uniform magnetic field B. The force experienced by the charge is ____________.

A conductor of length 0.5 m moves in a uniform magnetic field of density 1.1 T at certain velocity. Find the velocity if the induced voltage in the conductor is 16.5 V and the direction of motion is perpendicular to the field.

Magnetic field strength at a point distant r meters from a pole is:

Calculate the flux density at a distance of 5 cm from a long straight circular conductor carrying a current of 250 A and placed in air.

Two parallel wires separated by a distance ‘d’ are carrying a DC current ‘l’ in the same direction. The magnetic field along a line running parallel to these wires and midway between them _________.