An electric motor in which both the rotor and stator fields rotate with the same speed is called

SSC JE Electrical 2019 with solution SET-1
An electric motor in which both the rotor and stator fields rotate with the same speed is called

Induction motor

Synchronous motor

DC motor

Universal motor

Induction motor

Synchronous motor

DC motor

Universal motor

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SSC JE Electrical 2019 with solution SET-1
Two coupled coils with L1 = L2 = 0.5H have a coupling coefficient of K = 0.75. The turn ratio N1 ⁄ N2 = ?

2

0.5

1

4

2

0.5

1

4

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SSC JE Electrical 2019 with solution SET-1
When the only current source is active in the circuit, find the current through the 10Ω resistor

1.33 A

0.66 A

1.66 A

0 A

1.33 A

0.66 A

1.66 A

0 A

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SSC JE Electrical 2019 with solution SET-1
The laws involved in the expression e = −dφ/dt are

Coulomb’s and Faraday’s laws

Coulomb’s and Ampere’s laws

Faraday’s and Lenz’s laws

Faraday’s and Ampere’s laws

Coulomb’s and Faraday’s laws

Coulomb’s and Ampere’s laws

Faraday’s and Lenz’s laws

Faraday’s and Ampere’s laws

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SSC JE Electrical 2019 with solution SET-1
For a three-layer stranded wire, the number of strands in the first, second, and third layer respectively are:

1, 4 and 8

1, 6 and 12

1, 7 and 14

1, 5 and 10

1, 4 and 8

1, 6 and 12

1, 7 and 14

1, 5 and 10

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SSC JE Electrical 2019 with solution SET-1
Z1 and Z2 are connected in series to form a load. A wattmeter’s current coil is connected in series with the load, whereas its pressure coil is connected across Z2. The wattmeter reads

Power consumed by Z1 and Z2

Power consumed by Z2

Power consumed by Z1

Zero always

Power consumed by Z1 and Z2

Power consumed by Z2

Power consumed by Z1

Zero always

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 An electric motor in which both the rotor and stator fields rotate with the same speed is called

SSC JE Electrical 2019 with solution SET-1 Two coupled coils with L1 = L2 = 0.5H have a coupling coefficient of K = 0.75. The turn ratio N1 ⁄ N2 = ?

SSC JE Electrical 2019 with solution SET-1 When the only current source is active in the circuit, find the current through the 10Ω resistor

SSC JE Electrical 2019 with solution SET-1 The laws involved in the expression e = −dφ/dt are

SSC JE Electrical 2019 with solution SET-1 For a three-layer stranded wire, the number of strands in the first, second, and third layer respectively are:

SSC JE Electrical 2019 with solution SET-1 Z1 and Z2 are connected in series to form a load. A wattmeter’s current coil is connected in series with the load, whereas its pressure coil is connected across Z2. The wattmeter reads

SSC JE Electrical 2019 with solution SET-1
An electric motor in which both the rotor and stator fields rotate with the same speed is called

SSC JE Electrical 2019 with solution SET-1
Two coupled coils with L1 = L2 = 0.5H have a coupling coefficient of K = 0.75. The turn ratio N1 ⁄ N2 = ?

SSC JE Electrical 2019 with solution SET-1
When the only current source is active in the circuit, find the current through the 10Ω resistor

SSC JE Electrical 2019 with solution SET-1
The laws involved in the expression e = −dφ/dt are

SSC JE Electrical 2019 with solution SET-1
For a three-layer stranded wire, the number of strands in the first, second, and third layer respectively are:

SSC JE Electrical 2019 with solution SET-1
Z1 and Z2 are connected in series to form a load. A wattmeter’s current coil is connected in series with the load, whereas its pressure coil is connected across Z2. The wattmeter reads