# In an induction motor if the flux density is reduced to one-half, of its normal value then the torque will

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 an induction motor if the flux density is reduced.to one-half, of its normal value then the torque will reduce to one-fourth

## Related

Answer : If B is the flux density, I the length of conductor and v the velocity of conductor, then induced e.m.f. is given by Blv.

Description : Define magnetic flux density and state its formula.

Answer : The magnetic flux per unit area is called as magnetic flux density. Magnetic flux density is denoted by B. The formula for magnetic flux density is Weber per metre square or Tesla. Mathematically ... the unit of magnetic flux density is Weber per metre square which is also called as Tesla.

Description : Torque developed by a three-phase, 400V, induction motor is 100 N -m. If the applied voltage is reduced to 200-V, the d'veloped torque will be

Answer : Torque developed by a three-phase, 400V, induction motor is 100 N -m. If the applied voltage is reduced to 200-V, the d'veloped torque will be 25 N -m

Description : Flux density formula