At f = _____R – L – C series circuit operates at unity power factor

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

1 ⁄ LC

1/2π√LC

1 ⁄ RLC

1/RC

1 ⁄ LC

1/2π√LC

1 ⁄ RLC

1/RC

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SSC JE Electrical 2019 with solution SET-1
A single-phase circuit’s power factor can be measured with a/an

Energy meter alone

Combination of a voltmeter, ammeter, and wattmeter

Combination of a voltmeter and ammeter

Wattmeter alone

Energy meter alone

Combination of a voltmeter, ammeter, and wattmeter

Combination of a voltmeter and ammeter

Wattmeter alone

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SSC JE Electrical 2019 with solution SET-1
Which motor is referred to as a universal motor?

Shunt

Series

Single-phase induction

Synchronous

Shunt

Series

Single-phase induction

Synchronous

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SSC JE Electrical 2019 with solution SET-1
The output of the logic circuit given below represents the gate.

OR

NAND

NOR

AND

OR

NAND

NOR

AND

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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

A.C. series motors

Repulsion motors

Un-excited synchronous motors

1-phase induction motors

A.C. series motors

Repulsion motors

Un-excited synchronous motors

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SSC JE Electrical 2019 with solution SET-1
The resistive component of the rotor with resistance R2 offered to the backward rotating flux wave in a single-phase motor runs with slip s is given as

R2 ⁄ S

R2 ⁄ (1 − S)

R2 ⁄ (1 + S)

R2 ⁄ (2 − S)

R2 ⁄ S

R2 ⁄ (1 − S)

R2 ⁄ (1 + S)

R2 ⁄ (2 − S)

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SSC JE Electrical 2019 with solution SET-1

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 A single-phase circuit’s power factor can be measured with a/an

SSC JE Electrical 2019 with solution SET-1 Which motor is referred to as a universal motor?

SSC JE Electrical 2019 with solution SET-1 The output of the logic circuit given below represents the gate.

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 The resistive component of the rotor with resistance R2 offered to the backward rotating flux wave in a single-phase motor runs with slip s is given as

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
A single-phase circuit’s power factor can be measured with a/an

SSC JE Electrical 2019 with solution SET-1
Which motor is referred to as a universal motor?

SSC JE Electrical 2019 with solution SET-1
The output of the logic circuit given below represents the gate.

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
The resistive component of the rotor with resistance R2 offered to the backward rotating flux wave in a single-phase motor runs with slip s is given as