An electric heater is connected across 230V and it draws a current of 2A. Then the resistance offered by the heater is?

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?

11.5 ohm

29 ohm

115 ohm

290 ohm

11.5 ohm

29 ohm

115 ohm

290 ohm

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SSC JE Electrical 2019 with solution SET-1
In the two wattmeter method, the readings of the two wattmeters are 500W, 500W respectively. The load power factor in a balanced 3-phase 3-wire circuit is:

0.5

1

0.9

0.8

0.5

1

0.9

0.8

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SSC JE Electrical 2019 with solution SET-1
If the copper loss of a transformer at half full load is 400 W, then the copper loss corresponding to full load is

1200 W

1600 W

800 W

400 W

1200 W

1600 W

800 W

400 W

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SSC JE Electrical 2019 with solution SET-1
A synchronous motor runs at 600rpm, which of the following case is true?

P = 12, f = 60 Hz

P = 10, f = 60 Hz

P = 8, f = 50 Hz

P= 12, f = 50 Hz

P = 12, f = 60 Hz

P = 10, f = 60 Hz

P = 8, f = 50 Hz

P= 12, f = 50 Hz

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SSC JE Electrical 2019 with solution SET-1
Hunting occurs in a/an motor

DC series

Induction

Synchronous

DC shunt

DC series

Induction

Synchronous

DC shunt

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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

0 A

1.66 A

0.66 A

1.33 A

0 A

1.66 A

0.66 A

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SSC JE Electrical 2019 with solution SET-1

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?

SSC JE Electrical 2019 with solution SET-1 In the two wattmeter method, the readings of the two wattmeters are 500W, 500W respectively. The load power factor in a balanced 3-phase 3-wire circuit is:

SSC JE Electrical 2019 with solution SET-1 If the copper loss of a transformer at half full load is 400 W, then the copper loss corresponding to full load is

SSC JE Electrical 2019 with solution SET-1 A synchronous motor runs at 600rpm, which of the following case is true?

SSC JE Electrical 2019 with solution SET-1 Hunting occurs in a/an motor

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

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?

SSC JE Electrical 2019 with solution SET-1
In the two wattmeter method, the readings of the two wattmeters are 500W, 500W respectively. The load power factor in a balanced 3-phase 3-wire circuit is:

SSC JE Electrical 2019 with solution SET-1
If the copper loss of a transformer at half full load is 400 W, then the copper loss corresponding to full load is

SSC JE Electrical 2019 with solution SET-1
A synchronous motor runs at 600rpm, which of the following case is true?

SSC JE Electrical 2019 with solution SET-1
Hunting occurs in a/an motor

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