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

Induction
DC shunt
Synchronous
DC series

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SSC JE Electrical 2019 with solution SET-1
 If admittance Y= a + jb, then a =?

Reactance
Resistance
Susceptance
Conductance

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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?

Incandescent lamp
Sodium vapor lamp
Fluorescent lamp
Mercury vapor lamp

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SSC JE Electrical 2019 with solution SET-1
 What is the reason behind using a centrifugal switch in a single-phase induction motor?

To cut-off the starting winding at an appropriate instant
To out in the capacitor during running conditions
To protect the motor from overloading
To improve the starting performance of the motor

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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 45°
Voltage lags current by 30°
Voltage leads current by 45°
Voltage and current are in phase with each other

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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

The 100W bulb will glow brighter
Neither bulb will glow
Both will glow equally bright
The 60W bulb will glow brighter

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