The power factor of an A.C. circuit is equal to

SSC JE Electrical 2019 with solution SET-1
The power factor of an A.C. circuit is equal to

Z/R

R/XC

R/Z

R/XL

Z/R

R/XC

R/Z

R/XL

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SSC JE Electrical 2019 with solution SET-1
Find H = _____ A/m at the center of a circular coil of diameter 1 m and carrying a current of 2A

8 A/m

2 A/m

4 A/m

1 A/m

8 A/m

2 A/m

4 A/m

1 A/m

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SSC JE Electrical 2019 with solution SET-1
______ Opposes the change in circuit voltage

Inductive reactance

Capacitance

Inductance

Resistance

Inductive reactance

Capacitance

Inductance

Resistance

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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

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
Two coupled coils with L1 = L2 = 0.5H have a coupling coefficient of K = 0.75. The turn ratio N1 ⁄ N2 = ?

4

2

0.5

1

4

2

0.5

1

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SSC JE Electrical 2019 with solution SET-1
For a three-layer stranded wire, the number of strands in the first, second, and third layer respectively are:

1, 4 and 8

1, 7 and 14

1, 5 and 10

1, 6 and 12

1, 4 and 8

1, 7 and 14

1, 5 and 10

1, 6 and 12

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 The power factor of an A.C. circuit is equal to

SSC JE Electrical 2019 with solution SET-1 Find H = _____ A/m at the center of a circular coil of diameter 1 m and carrying a current of 2A

SSC JE Electrical 2019 with solution SET-1 ______ Opposes the change in circuit voltage

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 Two coupled coils with L1 = L2 = 0.5H have a coupling coefficient of K = 0.75. The turn ratio N1 ⁄ N2 = ?

SSC JE Electrical 2019 with solution SET-1 For a three-layer stranded wire, the number of strands in the first, second, and third layer respectively are:

SSC JE Electrical 2019 with solution SET-1
The power factor of an A.C. circuit is equal to

SSC JE Electrical 2019 with solution SET-1
Find H = _____ A/m at the center of a circular coil of diameter 1 m and carrying a current of 2A

SSC JE Electrical 2019 with solution SET-1
______ Opposes the change in circuit voltage

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
Two coupled coils with L1 = L2 = 0.5H have a coupling coefficient of K = 0.75. The turn ratio N1 ⁄ N2 = ?

SSC JE Electrical 2019 with solution SET-1
For a three-layer stranded wire, the number of strands in the first, second, and third layer respectively are: