SSC JE Electrical 2019 with solution SET-2

SSC JE Electrical 2019 with solution SET-2
The number of valence electrons of P and Si are respectively?

4 and 4

3 and 4

5 and 4

4 and 5

4 and 4

3 and 4

5 and 4

4 and 5

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SSC JE Electrical 2019 with solution SET-2
If a zero-centered voltmeter has a scale from 5V to − 5V, then the span of it is

10V

5 V

0 V

−5 V

10V

5 V

0 V

−5 V

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SSC JE Electrical 2019 with solution SET-2
In a suspension type insulator the voltage…..?

Across the center disc is minimum

Across the center disc is maximum

Across the top disc is minimum

Across the top disc is maximum

Across the center disc is minimum

Across the center disc is maximum

Across the top disc is minimum

Across the top disc is maximum

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SSC JE Electrical 2019 with solution SET-2
While estimating domestic wiring cost, if the length of the PVC conduit required is 62 meters, then what is the length of the cable required?

124 meters

186 meters

100 meters

62 meters

124 meters

186 meters

100 meters

62 meters

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SSC JE Electrical 2019 with solution SET-2
The conductor tied between two supports takes the shape of a ‘catenary’ due to ____?

Corona

Sag

Earthing

Transposition

Corona

Sag

Earthing

Transposition

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SSC JE Electrical 2019 with solution SET-2
The combined inductance of two coils connected in a series is 0.6H and 0.1H, depending on the relative directions of the currents to the coils. If one of the coils when isolated has a self-inductance of 0.2 H, then calculate the natural inductance?

1.5 H

0.125 H

0.15 H

0.015 H

1.5 H

0.125 H

0.15 H

0.015 H

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