Observe the given figure. The maximum power to the load resistor is when Ri is =?

SSC JE Electrical 2019 with solution SET-2
Observe the given figure. The maximum power to the load resistor is when Ri is =?

4Ri

Ri/2

RL

2Ri

4Ri

Ri/2

RL

2Ri

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

100∠30°

100∠120°

4∠30°

5∠30°

100∠30°

100∠120°

4∠30°

5∠30°

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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

The product of current and number of turns enclosed by that path

Magnetic flux density

The product of flux and number of turns enclosed by that path

Reluctance

The product of current and number of turns enclosed by that path

Magnetic flux density

The product of flux and number of turns enclosed by that path

Reluctance

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SSC JE Electrical 2019 with solution SET-2
A/An is used in domestic mixers?

Shaded pole motor

Universal motor

Permanent magnet synchronous motor

Induction motor

Shaded pole motor

Universal motor

Permanent magnet synchronous motor

Induction motor

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SSC JE Electrical 2019 with solution SET-2
The names of the four materials have been given, select the one which has the least resistivity at 20°C?

Nichrome

Glass

Iron

Silver

Nichrome

Glass

Iron

Silver

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SSC JE Electrical 2019 with solution SET-2
Which of the following decides the direction of rotation of a shaded pole motor?

Stator poles

Shaded and unshaded portion of the pole

Supply voltage

Frequency of supply

Stator poles

Shaded and unshaded portion of the pole

Supply voltage

Frequency of supply

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SSC JE Electrical 2019 with solution SET-2

SSC JE Electrical 2019 with solution SET-2 Observe the given figure. The maximum power to the load resistor is when Ri is =?

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 The work done on or by a unit N-pole in moving once around a closed path is equal to

SSC JE Electrical 2019 with solution SET-2 A/An is used in domestic mixers?

SSC JE Electrical 2019 with solution SET-2 The names of the four materials have been given, select the one which has the least resistivity at 20°C?

SSC JE Electrical 2019 with solution SET-2 Which of the following decides the direction of rotation of a shaded pole motor?

SSC JE Electrical 2019 with solution SET-2
Observe the given figure. The maximum power to the load resistor is when Ri is =?

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
The work done on or by a unit N-pole in moving once around a closed path is equal to

SSC JE Electrical 2019 with solution SET-2
A/An is used in domestic mixers?

SSC JE Electrical 2019 with solution SET-2
The names of the four materials have been given, select the one which has the least resistivity at 20°C?

SSC JE Electrical 2019 with solution SET-2
Which of the following decides the direction of rotation of a shaded pole motor?