SSC JE Electrical 2019 with solution SET-2
Four relations are given below. Identify the correct relation regarding a transistor?

IE < IC > IB
IE > IC < IB
IE ÷ IC = IB
IE > IC > IB

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SSC JE Electrical 2019 with solution SET-2
____ Lamps are used to light up sports stadiums?

Incandescent lamps
Sodium vapor lamps
Fluorescent lamps
LED lamps

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SSC JE Electrical 2019 with solution SET-2
The flux while crossing air gap tends to bulge outwards, thereby increasing the effective area of the gap, this effect is known as

Hall effect
Hopkinson’s effect
Fringing effect
Stroboscopic effect

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SSC JE Electrical 2019 with solution SET-2
The work done on or by a unit N-pole in moving once around a closed path is equal to

Reluctance
The product of flux and number of turns enclosed by that path
The product of current and number of turns enclosed by that path
Magnetic flux density

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SSC JE Electrical 2019 with solution SET-2
Which of the following comes under the category of single-phase commutator motors?

Capacitor start motor
Shaded pole motor
Resistance start motor
Universal motor

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