SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1
Identify the machine shown in the circuit

DC long shunt compound generator

DC short shunt compound generator

DC shunt motor

DC short shunt compound motor

DC long shunt compound generator

DC short shunt compound generator

DC shunt motor

DC short shunt compound motor

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SSC JE Electrical 2019 with solution SET-1
The direction of the arrow represents the direction of when the diode is forward biased

P-N Junction

Conventional current flow

N-type material

P-type material

P-N Junction

Conventional current flow

N-type material

P-type material

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SSC JE Electrical 2019 with solution SET-1
Please check out below figure.

5 Ω

10 Ω

1 Ω

2 Ω

5 Ω

10 Ω

1 Ω

2 Ω

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SSC JE Electrical 2019 with solution SET-1
What would the total loss of the 2kVA transformer corresponding to maximum efficiency be, provided the transformer has the iron of 150 W and full-load copper loss of 250W?

500 W

400 W

100 W

300 W

500 W

400 W

100 W

300 W

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SSC JE Electrical 2019 with solution SET-1
______starting method CANNOT be used for starting a 3-phase squirrel cage induction motor

Star-delta

Rotor-resistance

Direct-on-line

Auto-transformer

Star-delta

Rotor-resistance

Direct-on-line

Auto-transformer

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

Susceptance

Conductance

Reactance

Resistance

Susceptance

Conductance

Reactance

Resistance

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