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
Two coupled coils with L1 = L2 = 0.5H have a coupling coefficient of K = 0.75. The turn ratio N1 ⁄ N2 = ?

2

4

1

0.5

2

4

1

0.5

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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 A

1.66 A

0.66 A

1.33 A

0 A

1.66 A

0.66 A

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SSC JE Electrical 2019 with solution SET-1
Split-phase, capacitor, and shaded-pole single-phase motors classified as:

Un-excited synchronous motors

1-phase induction motors

A.C. series motors

Repulsion motors

Un-excited synchronous motors

1-phase induction motors

A.C. series motors

Repulsion motors

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SSC JE Electrical 2019 with solution SET-1
In an AC network, the load connected is (10 + j10). The phase relation between the voltage applied and the current through the load is:

Voltage lags current by 45°

Voltage and current are in phase with each other

Voltage leads current by 45°

Voltage lags current by 30°

Voltage lags current by 45°

Voltage and current are in phase with each other

Voltage leads current by 45°

Voltage lags current by 30°

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SSC JE Electrical 2019 with solution SET-1
Identify the important feature of a DC series motor

Low starting torque

Medium starting torque

High starting torque

Zero starting torque

Low starting torque

Medium starting torque

High starting torque

Zero starting torque

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SSC JE Electrical 2019 with solution SET-1
At f = _____R – L – C series circuit operates at unity power factor

1 ⁄ LC

1/RC

1/2π√LC

1 ⁄ RLC

1 ⁄ LC

1/RC

1/2π√LC

1 ⁄ RLC

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SSC JE Electrical 2019 with solution SET-1

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 Split-phase, capacitor, and shaded-pole single-phase motors classified as:

SSC JE Electrical 2019 with solution SET-1 In an AC network, the load connected is (10 + j10). The phase relation between the voltage applied and the current through the load is:

SSC JE Electrical 2019 with solution SET-1 Identify the important feature of a DC series motor

SSC JE Electrical 2019 with solution SET-1 At f = _____R – L – C series circuit operates at unity power factor

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
Split-phase, capacitor, and shaded-pole single-phase motors classified as:

SSC JE Electrical 2019 with solution SET-1
In an AC network, the load connected is (10 + j10). The phase relation between the voltage applied and the current through the load is:

SSC JE Electrical 2019 with solution SET-1
Identify the important feature of a DC series motor

SSC JE Electrical 2019 with solution SET-1
At f = _____R – L – C series circuit operates at unity power factor