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SSC JE Electrical 2019 with solution SET-2

SSC JE Electrical 2019 with solution SET-2
Observe the given figure. Find Thevenin’s resistance as seen from open-circuited terminals?

32 Ω
16 Ω
4 Ω
8 Ω

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

To find the Thevenin’s resistance the current source is open-circuited and the voltage source is short-circuited.


SSC JE Electrical 2019 with solution SET-2
The force experienced by current-carrying conductor lying parallel to magnetic field is

BIL sinφ
Zero
BIL
BIL cosφ

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-2
______Earthing is the best form of earthing and is very cheap in cost?

Pipe
Rod
Strip
Plate

ANSWER DOWNLOAD EXAMIANS APP

SSC JE Electrical 2019 with solution SET-2
Which of the following heating element has the lowest operating temperature?

Nichrome
Eureka
Kanthal
Graphite

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The melting point of Eureka is 1221 to 1300 °C
The melting point of Kanthal is 1,425 °C
The melting point of Nichrome is 1400 °C
The melting point of Graphite is 3,600°C
Hence Eureka has the least range of temperature.
 

SSC JE Electrical 2019 with solution SET-2
In Boolean algebra (A. Ā) + A

Ā
0
A
1

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

According to Boolean algebra law
A. Ā = A
A + A = A
Therefore in the given question
(A. Ā) + A = A + A = A
 

SSC JE Electrical 2019 with solution SET-2
A coil of 360 turns is linked by a flux of 200 μWb. If the flux is reversed in 0.01 second, then find the EMF induced in the coil?

14.4 V
144 V
0.72 V
7.2 V

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given


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