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

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

Wattmeter alone

Combination of a voltmeter and ammeter

Energy meter alone

Combination of a voltmeter, ammeter, and wattmeter

Wattmeter alone

Combination of a voltmeter and ammeter

Energy meter alone

Combination of a voltmeter, ammeter, and wattmeter

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

Zero starting torque

Medium starting torque

High starting torque

Low starting torque

Zero starting torque

Medium starting torque

High starting torque

Low starting torque

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SSC JE Electrical 2019 with solution SET-1
The laws involved in the expression e = −dφ/dt are

Coulomb’s and Faraday’s laws

Coulomb’s and Ampere’s laws

Faraday’s and Ampere’s laws

Faraday’s and Lenz’s laws

Coulomb’s and Faraday’s laws

Coulomb’s and Ampere’s laws

Faraday’s and Ampere’s laws

Faraday’s and Lenz’s laws

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

Tesla

Mho

Henry

Weber

Tesla

Mho

Henry

Weber

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SSC JE Electrical 2019 with solution SET-1
Z1 and Z2 are connected in series to form a load. A wattmeter’s current coil is connected in series with the load, whereas its pressure coil is connected across Z2. The wattmeter reads

Zero always

Power consumed by Z1

Power consumed by Z1 and Z2

Power consumed by Z2

Zero always

Power consumed by Z1

Power consumed by Z1 and Z2

Power consumed by Z2

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SSC JE Electrical 2019 with solution SET-1
A 200 V d.c machine as Ra = 0.5 Ω and its full-load Ia= 20A. Determine the induced e.m.f when the machine acts as a motor

210 V

190 V

200 V

215 V

210 V

190 V

200 V

215 V

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SSC JE Electrical 2019 with solution SET-1

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 Identify the important feature of a DC series motor

SSC JE Electrical 2019 with solution SET-1 The laws involved in the expression e = −dφ/dt are

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

SSC JE Electrical 2019 with solution SET-1 Z1 and Z2 are connected in series to form a load. A wattmeter’s current coil is connected in series with the load, whereas its pressure coil is connected across Z2. The wattmeter reads

SSC JE Electrical 2019 with solution SET-1 A 200 V d.c machine as Ra = 0.5 Ω and its full-load Ia= 20A. Determine the induced e.m.f when the machine acts as a motor

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
Identify the important feature of a DC series motor

SSC JE Electrical 2019 with solution SET-1
The laws involved in the expression e = −dφ/dt are

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

SSC JE Electrical 2019 with solution SET-1
Z1 and Z2 are connected in series to form a load. A wattmeter’s current coil is connected in series with the load, whereas its pressure coil is connected across Z2. The wattmeter reads

SSC JE Electrical 2019 with solution SET-1
A 200 V d.c machine as Ra = 0.5 Ω and its full-load Ia= 20A. Determine the induced e.m.f when the machine acts as a motor