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

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

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-2
The flux while crossing air gap tends to bulge outwards, thereby increasing the effective area of the gap, this effect is known as

Stroboscopic effect
Fringing effect
Hall effect
Hopkinson’s effect

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-2
For indoor lighting the range of space : height is

1 : 2
5 : 6
2 : 3
3 :4

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-2
Four statements are given below. Identify the correct statement?

XOR is a basic gate
XOR is a derived gate
XOR is a universal gate
XNOR is a basic gate

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-2
 If a transformer has N1 = N2 = 1 : 1, then the transformer is a/an

Isolation transformer
Current transformer
Potential transformer
Power transformer

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP