When the supply to the excitation fails, the synchronous generator acts like a/an

SSC JE Electrical 2019 with solution SET-1
When the supply to the excitation fails, the synchronous generator acts like a/an

Synchronous generator

Induction generator

Synchronous motor

Induction motor

Synchronous generator

Induction generator

Synchronous motor

Induction motor

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SSC JE Electrical 2019 with solution SET-1
Two bulbs of rating 230V, 60W, and 230V, 100W are connected in parallel across supply mains, Identify the correct statement

Both will glow equally bright

Neither bulb will glow

The 100W bulb will glow brighter

The 60W bulb will glow brighter

Both will glow equally bright

Neither bulb will glow

The 100W bulb will glow brighter

The 60W bulb will glow brighter

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SSC JE Electrical 2019 with solution SET-1
If an alternator is operating at unity power factor, then its terminal voltage is

Greater than the induced EMF, with negative voltage regulation

Equal to the induced EMF, with zero voltage regulation

Less than the induced EMF, with positive voltage regulation

Less than the induced EMF, with negative regulation

Greater than the induced EMF, with negative voltage regulation

Equal to the induced EMF, with zero voltage regulation

Less than the induced EMF, with positive voltage regulation

Less than the induced EMF, with negative regulation

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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 and current are in phase with each other

Voltage lags current by 45°

Voltage lags current by 30°

Voltage leads current by 45°

Voltage and current are in phase with each other

Voltage lags current by 45°

Voltage lags current by 30°

Voltage leads current by 45°

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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

dΦ − dA

Φ × A

dA ⁄ dΦ

dΦ ⁄ dA

dΦ − dA

Φ × A

dA ⁄ dΦ

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SSC JE Electrical 2019 with solution SET-1
Which of the following lamps has the shortest/less life span in working hours?

Mercury vapor lamp

Sodium vapor lamp

Incandescent lamp

Fluorescent lamp

Mercury vapor lamp

Sodium vapor lamp

Incandescent lamp

Fluorescent lamp

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 When the supply to the excitation fails, the synchronous generator acts like a/an

SSC JE Electrical 2019 with solution SET-1 Two bulbs of rating 230V, 60W, and 230V, 100W are connected in parallel across supply mains, Identify the correct statement

SSC JE Electrical 2019 with solution SET-1 If an alternator is operating at unity power factor, then its terminal voltage is

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 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 Which of the following lamps has the shortest/less life span in working hours?

SSC JE Electrical 2019 with solution SET-1
When the supply to the excitation fails, the synchronous generator acts like a/an

SSC JE Electrical 2019 with solution SET-1
Two bulbs of rating 230V, 60W, and 230V, 100W are connected in parallel across supply mains, Identify the correct statement

SSC JE Electrical 2019 with solution SET-1
If an alternator is operating at unity power factor, then its terminal voltage is

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
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
Which of the following lamps has the shortest/less life span in working hours?