If two impedances are given as Z1 = 20∠60° and Z2 = 5∠30°, then Z1/Z2 = ?

SSC JE Electrical 2019 with solution SET-2
If two impedances are given as Z1 = 20∠60° and Z2 = 5∠30°, then Z1/Z2 = ?

4∠30°

100∠120°

5∠30°

100∠30°

4∠30°

100∠120°

5∠30°

100∠30°

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SSC JE Electrical 2019 with solution SET-2
Which of the following heating element has the lowest operating temperature?

Graphite

Nichrome

Eureka

Kanthal

Graphite

Nichrome

Eureka

Kanthal

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

Fluorescent lamps

Incandescent lamps

LED lamps

Sodium vapor lamps

Fluorescent lamps

Incandescent lamps

LED lamps

Sodium vapor lamps

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SSC JE Electrical 2019 with solution SET-2
The scheduled speed of a train is______

Equal to average speed

Always greater than the average speed

Equal to maximum speed

Always less than the average speed

Equal to average speed

Always greater than the average speed

Equal to maximum speed

Always less than the average speed

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SSC JE Electrical 2019 with solution SET-2
If a circular conductor carries a current of ‘I’ ampere having radius ‘r’ meter, then the magnetizing force at the center of the coil is given by

(1/4r)*(At/m)

(1/2r)*(At/m)

(1/r)*(At/m)

(1/r)*(At/Wb)

(1/4r)*(At/m)

(1/2r)*(At/m)

(1/r)*(At/m)

(1/r)*(At/Wb)

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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

Stroboscopic effect

Hall effect

Hopkinson’s effect

Fringing effect

Stroboscopic effect

Hall effect

Hopkinson’s effect

Fringing effect

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SSC JE Electrical 2019 with solution SET-2

SSC JE Electrical 2019 with solution SET-2 If two impedances are given as Z1 = 20∠60° and Z2 = 5∠30°, then Z1/Z2 = ?

SSC JE Electrical 2019 with solution SET-2 Which of the following heating element has the lowest operating temperature?

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

SSC JE Electrical 2019 with solution SET-2 The scheduled speed of a train is______

SSC JE Electrical 2019 with solution SET-2 If a circular conductor carries a current of ‘I’ ampere having radius ‘r’ meter, then the magnetizing force at the center of the coil is given by

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

SSC JE Electrical 2019 with solution SET-2
If two impedances are given as Z1 = 20∠60° and Z2 = 5∠30°, then Z1/Z2 = ?

SSC JE Electrical 2019 with solution SET-2
Which of the following heating element has the lowest operating temperature?

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

SSC JE Electrical 2019 with solution SET-2
The scheduled speed of a train is______

SSC JE Electrical 2019 with solution SET-2
If a circular conductor carries a current of ‘I’ ampere having radius ‘r’ meter, then the magnetizing force at the center of the coil is given by

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