SSC JE Electrical 2019 with solution SET-1
 H = ____is the expression for the magnetic field due to an infinite linear current-carrying conductor

(μI ⁄ 2Πr) A/m
(I ⁄ 2Πr) A/m
(μI ⁄ 2r) A/m
(I ⁄ 2r) A/m

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SSC JE Electrical 2019 with solution SET-1
 In a transmission line, the voltage regulation is negative whenever receiving end voltage Vs

Less than the sending end voltage
Half of the sending end voltage
Greater than the sending end voltage
Equal to the sending end voltage

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SSC JE Electrical 2019 with solution SET-1
 The law that explains about the economic size of a conductor is:

Newton’s law
Faraday’s law
Kelvin’s law
Lamberts law

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SSC JE Electrical 2019 with solution SET-1
 Which of the following should be used under no-load conditions?

Isolator
Air-break switch
Rewireable fuse
Circuit breaker

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SSC JE Electrical 2019 with solution SET-1
 Which of the following voltage range is used in medium transmission lines?

50 kV to 200 kV
20 kV to 100 kV
Less than 20 kV
More than 200 kV

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SSC JE Electrical 2019 with solution SET-1
 If the copper loss of a transformer at half full load is 400 W, then the copper loss corresponding to full load is

1600 W
400 W
1200 W
800 W

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