A 200 V d.c machine as Ra = 0.5 Ω and its full-load Ia= 20A. Determine the induced e.m.f when the machine acts as a motor

SSC JE Electrical 2019 with solution SET-1
A 200 V d.c machine as Ra = 0.5 Ω and its full-load Ia= 20A. Determine the induced e.m.f when the machine acts as a motor

190 V

215 V

210 V

200 V

190 V

215 V

210 V

200 V

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SSC JE Electrical 2019 with solution SET-1
In electric traction, the coefficient of adhesion is represented by

μ

Φ

γ

λ

μ

Φ

γ

λ

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SSC JE Electrical 2019 with solution SET-1
In an AC network, the load connected is (10 + j10). The phase relation between the voltage applied and the current through the load is:

Voltage lags current by 30°

Voltage and current are in phase with each other

Voltage lags current by 45°

Voltage leads current by 45°

Voltage lags current by 30°

Voltage and current are in phase with each other

Voltage lags current by 45°

Voltage leads current by 45°

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SSC JE Electrical 2019 with solution SET-1
Two inductors of 4H and 6H are connected in series. The equivalent inductance of this combination is

10 H

4 H

6 H

2.4 H

10 H

4 H

6 H

2.4 H

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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:

0.8

1

0.9

0.5

0.8

1

0.9

0.5

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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

dΦ ⁄ dA

dA ⁄ dΦ

Φ × A

dΦ − dA

dΦ ⁄ dA

dA ⁄ dΦ

Φ × A

dΦ − dA

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 A 200 V d.c machine as Ra = 0.5 Ω and its full-load Ia= 20A. Determine the induced e.m.f when the machine acts as a motor

SSC JE Electrical 2019 with solution SET-1 In electric traction, the coefficient of adhesion is represented by

SSC JE Electrical 2019 with solution SET-1 In an AC network, the load connected is (10 + j10). The phase relation between the voltage applied and the current through the load is:

SSC JE Electrical 2019 with solution SET-1 Two inductors of 4H and 6H are connected in series. The equivalent inductance of this combination 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 dΦ is the luminous flux incident normally on an area dA, then Illuminance is given as

SSC JE Electrical 2019 with solution SET-1
A 200 V d.c machine as Ra = 0.5 Ω and its full-load Ia= 20A. Determine the induced e.m.f when the machine acts as a motor

SSC JE Electrical 2019 with solution SET-1
In electric traction, the coefficient of adhesion is represented by

SSC JE Electrical 2019 with solution SET-1
In an AC network, the load connected is (10 + j10). The phase relation between the voltage applied and the current through the load is:

SSC JE Electrical 2019 with solution SET-1
Two inductors of 4H and 6H are connected in series. The equivalent inductance of this combination 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 dΦ is the luminous flux incident normally on an area dA, then Illuminance is given as