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

R/XC

R/Z

Z/R

R/XL

R/XC

R/Z

Z/R

R/XL

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SSC JE Electrical 2019 with solution SET-1
4F2D is a/an number

Octal

Binary

Decimal

Hexadecimal

Octal

Binary

Decimal

Hexadecimal

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SSC JE Electrical 2019 with solution SET-1
Three lamps are connected in series across a 120V supply and take a current of 1.5A. If the resistance of two of the lamps is 30Ω, what is the resistance of the third lamp?

20Ω

40Ω

30Ω

10Ω

20Ω

40Ω

30Ω

10Ω

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SSC JE Electrical 2019 with solution SET-1
When the only current source is active in the circuit, find the current through the 10Ω resistor

1.33 A

1.66 A

0.66 A

0 A

1.33 A

1.66 A

0.66 A

0 A

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SSC JE Electrical 2019 with solution SET-1
In the circuit shown, the pressure coils of two wattmeters are connected to

Y

B

Neutral Wire

R

Y

B

Neutral Wire

R

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SSC JE Electrical 2019 with solution SET-1
P = ρQHg is the water power equation. Head ‘H’ is measured in meter ‘g’ gravity constant is measured in meter/second square, then the measuring unit of ‘Q’, the flow rate of water is:

Meter per second

Cubic meter per second

Meter per hour

Square meter per second

Meter per second

Cubic meter per second

Meter per hour

Square meter per second

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