SSC JE Electrical 2019 with solution SET-1

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

1 Ω

5 Ω

2 Ω

10 Ω

1 Ω

5 Ω

2 Ω

10 Ω

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SSC JE Electrical 2019 with solution SET-1
Reflected Light/Incident Light =

Maintenance factor

Reflection factor

Waste light factor

Absorption factor

Maintenance factor

Reflection factor

Waste light factor

Absorption factor

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SSC JE Electrical 2019 with solution SET-1
Find H = _____ A/m at the center of a circular coil of diameter 1 m and carrying a current of 2A

8 A/m

4 A/m

2 A/m

1 A/m

8 A/m

4 A/m

2 A/m

1 A/m

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SSC JE Electrical 2019 with solution SET-1
A magnetic circuit is applied with a current that changes at a rate of 5 A/sec. The circuit has an inductance of 2H, then the self-induced EMF is

−10 V

0.4 V

−2.5 V

−4 V

−10 V

0.4 V

−2.5 V

−4 V

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SSC JE Electrical 2019 with solution SET-1
Identify the INCORRECT statement with regards to synchronous motors

The field winding is placed on the rotor

It is a constant speed motor

The armature winding is placed on the stator

It is a self-starting machine

The field winding is placed on the rotor

It is a constant speed motor

The armature winding is placed on the stator

It is a self-starting machine

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SSC JE Electrical 2019 with solution SET-1
______ Opposes the change in circuit voltage

Resistance

Inductance

Inductive reactance

Capacitance

Resistance

Inductance

Inductive reactance

Capacitance

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