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
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
Which of the following is the correct relation regarding coupled coils?

M > (L1L2)0.5

M = (L1 − L2)/2

M ≤ (L1L2)0.5

M = (L1 + L2)/2

M > (L1L2)0.5

M = (L1 − L2)/2

M ≤ (L1L2)0.5

M = (L1 + L2)/2

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

Conductance

Resistance

Reactance

Susceptance

Conductance

Resistance

Reactance

Susceptance

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SSC JE Electrical 2019 with solution SET-1
The Thevenin’s resistance as seen through the terminals A and B is:

8 Ω

6 Ω

5 Ω

4 Ω

8 Ω

6 Ω

5 Ω

4 Ω

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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 = ?

0.5

4

1

2

0.5

4

1

2

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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

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

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

Less than the induced EMF, with positive voltage regulation

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SSC JE Electrical 2019 with solution SET-1

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 Which of the following is the correct relation regarding coupled coils?

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

SSC JE Electrical 2019 with solution SET-1 The Thevenin’s resistance as seen through the terminals A and B is:

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 If an alternator is operating at unity power factor, then its terminal voltage is

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
Which of the following is the correct relation regarding coupled coils?

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

SSC JE Electrical 2019 with solution SET-1
The Thevenin’s resistance as seen through the terminals A and B is:

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
If an alternator is operating at unity power factor, then its terminal voltage is