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

800 W
1200 W
1600 W
400 W

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SSC JE Electrical 2019 with solution SET-1
 Two bulbs of rating 230V, 60W, and 230V, 100W are connected in parallel across supply mains, Identify the correct statement

Both will glow equally bright
The 60W bulb will glow brighter
Neither bulb will glow
The 100W bulb will glow brighter

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

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

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SSC JE Electrical 2019 with solution SET-1
 The ratio of conductor voltage and the voltage across the disc nearest to the conductor multiplied by the number discs are

String efficiency
Transmission line efficiency
Disc efficiency
Insulator efficiency

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SSC JE Electrical 2019 with solution SET-1
 The resistive component of the rotor with resistance R2 offered to the backward rotating flux wave in a single-phase motor runs with slip s is given as

R2 ⁄ (1 + S)
R2 ⁄ (2 − S)
R2 ⁄ (1 − S)
R2 ⁄ S

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