SSC JE Electrical 2019 with solution SET-1
 Z1 and Z2 are connected in series to form a load. A wattmeter’s current coil is connected in series with the load, whereas its pressure coil is connected across Z2. The wattmeter reads

Power consumed by Z1 and Z2
Power consumed by Z2
Zero always
Power consumed by Z1

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
 What is the reason behind using a centrifugal switch in a single-phase induction motor?

To protect the motor from overloading
To out in the capacitor during running conditions
To cut-off the starting winding at an appropriate instant
To improve the starting performance of the motor

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
 In the full-wave rectifier circuit shown in the figure, the diodes that conduct when the positive half-wave of AC signal applied are

D2, D3
D4, D1
D1, D2
D3, D4

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
 The output of the logic circuit given below represents the gate.

AND
NAND
OR
NOR

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-1
 In a single-phase capacitor start-and-run motor, the minimum number of capacitors to be used in it is:

4
3
1
2

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP