# Recent questions tagged flux

Flux density formula

Define the following terms and state their units: (i) Luminous intensity, (ii) Luminous flux

Define the following terms: i) Magnetic flux density, ii) Reluctance, iii) Magneto-motive force, iv) Permeance.

Describe the concept of leakage flux, useful flux and fringing with neat diagram.

Define useful flux, leakage flux and fringing.

Explain the leakage flux and its effect with the help of neat diagram.

Give the relation between magnetic field strength, magnetic flux density and permeability.

Define magnetic flux density and state its formula.

In an induction motor if the flux density is reduced to one-half, of its normal value then the torque will  (1) reduce to one-half (2) reduce to one-fourth (3) remain unchanged (4) increase four times

In a synchronous machine, if the field flux axis ahead of the armature field axis in the direction of rotation, the machine is operating as  (1) synchronous motor (2) synchronous generator (3) asynchronous motor (4) asynchronous generator

Which of the following is a unit of magnetic flux? A) Weber B) Maxwell C) Both A and B D) None of these

It is possible to increase the field flux and, at the same time, increase the speed of a d.c. motor provided its .......... is held constant.

The property of a material which opposes the creation of magnetic flux in it is known as?

The unit of magnetic flux is?