SSC JE Electrical 2019 with solution SET-2
If a circular conductor carries a current of ‘I’ ampere having radius ‘r’ meter, then the magnetizing force at the center of the coil is given by

(1/r)*(At/m)
(1/4r)*(At/m)
(1/r)*(At/Wb)
(1/2r)*(At/m)

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-2
Permeance is analogous to an electrical circuit?

Conductance
Permittivity
Conductivity
Resistance

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-2
A long straight wire carries a current I = 10 A. At what distance is the magnetic field H = 1 A/m?

20/2π
1/2 π
5/2π
10/2π

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP