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

Combination of a voltmeter, ammeter, and wattmeter

Energy meter alone

Wattmeter alone

Combination of a voltmeter and ammeter

Combination of a voltmeter, ammeter, and wattmeter

Energy meter alone

Wattmeter alone

Combination of a voltmeter and ammeter

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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 and Z2

Power consumed by Z2

Power consumed by Z1

Zero always

Power consumed by Z1 and Z2

Power consumed by Z2

Power consumed by Z1

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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

Less than the induced EMF, with negative regulation

Less than the induced EMF, with positive voltage regulation

Equal to the induced EMF, with zero voltage regulation

Greater than the induced EMF, with negative voltage regulation

Less than the induced EMF, with negative regulation

Less than the induced EMF, with positive voltage regulation

Equal to the induced EMF, with zero voltage regulation

Greater than the induced EMF, with negative voltage regulation

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SSC JE Electrical 2019 with solution SET-1
Which of the following lamps has the shortest/less life span in working hours?

Sodium vapor lamp

Incandescent lamp

Fluorescent lamp

Mercury vapor lamp

Sodium vapor lamp

Incandescent lamp

Fluorescent lamp

Mercury vapor lamp

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SSC JE Electrical 2019 with solution SET-1
A shaded pole motor is basically a motor

Single-phase induction

Series

Shunt

Synchronous

Single-phase induction

Series

Shunt

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

NOR

NAND

AND

OR

NOR

NAND

AND

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

SSC JE Electrical 2019 with solution SET-1 Which of the following lamps has the shortest/less life span in working hours?

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

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

SSC JE Electrical 2019 with solution SET-1
Which of the following lamps has the shortest/less life span in working hours?

SSC JE Electrical 2019 with solution SET-1
A shaded pole motor is basically a motor

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