SSC JE Electrical 2019 with solution SET-2

SSC JE Electrical 2019 with solution SET-2
The impedance at resonance offered by a parallel resonant circuit is

Minimum given by I/CR

Maximum given by I/CR

Minimum given by L/CR

Maximum given by L/CR

Minimum given by I/CR

Maximum given by I/CR

Minimum given by L/CR

Maximum given by L/CR

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SSC JE Electrical 2019 with solution SET-2
In excess-three code the 4-bit group that is used is

0001

1110

0011

0010

0001

1110

0011

0010

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SSC JE Electrical 2019 with solution SET-2
A coil of 360 turns is linked by a flux of 200 μWb. If the flux is reversed in 0.01 second, then find the EMF induced in the coil?

14.4 V

144 V

0.72 V

7.2 V

14.4 V

144 V

0.72 V

7.2 V

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SSC JE Electrical 2019 with solution SET-2
The combined inductance of two coils connected in a series is 0.6H and 0.1H, depending on the relative directions of the currents to the coils. If one of the coils when isolated has a self-inductance of 0.2 H, then calculate the natural inductance?

1.5 H

0.015 H

0.125 H

0.15 H

1.5 H

0.015 H

0.125 H

0.15 H

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SSC JE Electrical 2019 with solution SET-2
If the AC voltage and current are given by the following expressions?
v = 200sin (314t — 60°)
i = 50sin (720t), then what is the phase relation between them?

Can’t be determined

Voltage leads current by 60°

Voltage and current are in phase

Voltage lags current by 60°

Can’t be determined

Voltage leads current by 60°

Voltage and current are in phase

Voltage lags current by 60°

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SSC JE Electrical 2019 with solution SET-2
The 2’s complement of 1010101 is

1101010

0101011

0101010

1110011

1101010

0101011

0101010

1110011

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