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

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SSC JE Electrical 2019 with solution SET-1
 If admittance Y= a + jb, then a =?

Susceptance
Resistance
Conductance
Reactance

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SSC JE Electrical 2019 with solution SET-1
 Three lamps are connected in series across a 120V supply and take a current of 1.5A. If the resistance of two of the lamps is 30Ω, what is the resistance of the third lamp?

30Ω
40Ω
10Ω
20Ω

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SSC JE Electrical 2019 with solution SET-1
 If an alternator is operating at unity power factor, then its terminal voltage is

Less than the induced EMF, with positive voltage regulation
Greater than the induced EMF, with negative voltage regulation
Less than the induced EMF, with negative regulation
Equal to the induced EMF, with zero voltage regulation

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