Which motor is referred to as a universal motor?

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

Synchronous

Single-phase induction

Series

Shunt

Synchronous

Single-phase induction

Series

Shunt

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SSC JE Electrical 2019 with solution SET-1
What would the total loss of the 2kVA transformer corresponding to maximum efficiency be, provided the transformer has the iron of 150 W and full-load copper loss of 250W?

400 W

100 W

300 W

500 W

400 W

100 W

300 W

500 W

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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 ⁄ (1 + S)

R2 ⁄ (2 − S)

R2 ⁄ (1 − S)

R2 ⁄ S

R2 ⁄ (1 + S)

R2 ⁄ (2 − S)

R2 ⁄ (1 − S)

R2 ⁄ S

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SSC JE Electrical 2019 with solution SET-1
Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

Pmech = (ωT)/60

Pmech = ωT

Pmech = (2πωT)

Pmech = (2πωT)/60

Pmech = (ωT)/60

Pmech = ωT

Pmech = (2πωT)

Pmech = (2πωT)/60

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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

Combination of a voltmeter, ammeter, and wattmeter

Combination of a voltmeter and ammeter

Energy meter alone

Wattmeter alone

Combination of a voltmeter, ammeter, and wattmeter

Combination of a voltmeter and ammeter

Energy meter alone

Wattmeter alone

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SSC JE Electrical 2019 with solution SET-1
_______ is the measuring unit of inductive susceptance

Tesla

Mho

Weber

Henry

Tesla

Mho

Weber

Henry

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SSC JE Electrical 2019 with solution SET-1

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 What would the total loss of the 2kVA transformer corresponding to maximum efficiency be, provided the transformer has the iron of 150 W and full-load copper loss of 250W?

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 Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

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 _______ is the measuring unit of inductive susceptance

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
What would the total loss of the 2kVA transformer corresponding to maximum efficiency be, provided the transformer has the iron of 150 W and full-load copper loss of 250W?

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
Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

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
_______ is the measuring unit of inductive susceptance