SSC JE Electrical 2019 with solution SET-2

SSC JE Electrical 2019 with solution SET-2
1 kcal is approximately equal to

4200 watt-sec

4.2 joules

420 joules

420 watt-hour

4200 watt-sec

4.2 joules

420 joules

420 watt-hour

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SSC JE Electrical 2019 with solution SET-2
Which of the following is NOT related to the transmission and distribution of electric power?

Stroboscopic effect

Ferranti effect

Proximity effect

Skin effect

Stroboscopic effect

Ferranti effect

Proximity effect

Skin effect

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SSC JE Electrical 2019 with solution SET-2
Which of the following lamps is used s a sign or an indicator lamp?

Neon lamp

Fluorescent lamp

Incandescent lamp

Halogen lamp

Neon lamp

Fluorescent lamp

Incandescent lamp

Halogen lamp

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SSC JE Electrical 2019 with solution SET-2
Which of the following is an important feature of a 3-phase synchronous motor?

Low starting torque

No starting torque

High starting torque

Low starting current

Low starting torque

No starting torque

High starting torque

Low starting current

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SSC JE Electrical 2019 with solution SET-2
If the connected light load in a house is 3000W and power sub-circuit load 6000W, then what is the total number of sub-circuits required?

6

1

3

4

6

1

3

4

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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

10/2π

5/2π

1/2 π

20/2π

10/2π

5/2π

1/2 π

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