If admittance Y= a + jb, then a =?

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

Conductance

Reactance

Resistance

Susceptance

Conductance

Reactance

Resistance

Susceptance

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

1-phase induction motors

Repulsion motors

A.C. series motors

Un-excited synchronous motors

1-phase induction motors

Repulsion motors

A.C. series motors

Un-excited synchronous motors

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SSC JE Electrical 2019 with solution SET-1
What is the reason behind using a centrifugal switch in a single-phase induction motor?

To cut-off the starting winding at an appropriate instant

To improve the starting performance of the motor

To out in the capacitor during running conditions

To protect the motor from overloading

To cut-off the starting winding at an appropriate instant

To improve the starting performance of the motor

To out in the capacitor during running conditions

To protect the motor from overloading

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SSC JE Electrical 2019 with solution SET-1
In the full-wave rectifier circuit shown in the figure, the diodes that conduct when the positive half-wave of AC signal applied are

D4, D1

D3, D4

D2, D3

D1, D2

D4, D1

D3, D4

D2, D3

D1, D2

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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

−2.5 V

0.4 V

−10 V

−4 V

−2.5 V

0.4 V

−10 V

−4 V

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SSC JE Electrical 2019 with solution SET-1
A synchronous motor runs at 600rpm, which of the following case is true?

P = 8, f = 50 Hz

P = 10, f = 60 Hz

P= 12, f = 50 Hz

P = 12, f = 60 Hz

P = 8, f = 50 Hz

P = 10, f = 60 Hz

P= 12, f = 50 Hz

P = 12, f = 60 Hz

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SSC JE Electrical 2019 with solution SET-1

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

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 What is the reason behind using a centrifugal switch in a single-phase induction motor?

SSC JE Electrical 2019 with solution SET-1 In the full-wave rectifier circuit shown in the figure, the diodes that conduct when the positive half-wave of AC signal applied are

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

SSC JE Electrical 2019 with solution SET-1 A synchronous motor runs at 600rpm, which of the following case is true?

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

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
What is the reason behind using a centrifugal switch in a single-phase induction motor?

SSC JE Electrical 2019 with solution SET-1
In the full-wave rectifier circuit shown in the figure, the diodes that conduct when the positive half-wave of AC signal applied are

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

SSC JE Electrical 2019 with solution SET-1
A synchronous motor runs at 600rpm, which of the following case is true?