SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1
Hysteresis loss is NOT a function of

Frequency

Steinmetz co-efficient of material

Ambient temperature

The volume of a material

Frequency

Steinmetz co-efficient of material

Ambient temperature

The volume of a material

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SSC JE Electrical 2019 with solution SET-1
Which of the following is the correct relation regarding coupled coils?

M ≤ (L1L2)0.5

M = (L1 + L2)/2

M > (L1L2)0.5

M = (L1 − L2)/2

M ≤ (L1L2)0.5

M = (L1 + L2)/2

M > (L1L2)0.5

M = (L1 − L2)/2

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SSC JE Electrical 2019 with solution SET-1
The voltmeter is shown in the circuit reads:

24 V

2.4 V

1.2 V

12 V

24 V

2.4 V

1.2 V

12 V

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SSC JE Electrical 2019 with solution SET-1
The below symbol which is used in single line diagrams represents

Potential transformer

Circuit breaker

Current transformer

Power transformer

Potential transformer

Circuit breaker

Current transformer

Power transformer

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SSC JE Electrical 2019 with solution SET-1
If dΦ is the luminous flux incident normally on an area dA, then Illuminance is given as

dA ⁄ dΦ

dΦ − dA

dΦ ⁄ dA

Φ × A

dA ⁄ dΦ

dΦ − dA

dΦ ⁄ dA

Φ × A

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SSC JE Electrical 2019 with solution SET-1
An electric heater is connected across 230V and it draws a current of 2A. Then the resistance offered by the heater is?

115 ohm

29 ohm

11.5 ohm

290 ohm

115 ohm

29 ohm

11.5 ohm

290 ohm

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