Identify the important feature of a DC series motor

SSC JE Electrical 2019 with solution SET-1
Identify the important feature of a DC series motor

High starting torque

Low starting torque

Zero starting torque

Medium starting torque

High starting torque

Low starting torque

Zero starting torque

Medium starting torque

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SSC JE Electrical 2019 with solution SET-1
An electric heater is connected across 230V and it draws a current of 2A. Then the resistance offered by the heater is?

11.5 ohm

290 ohm

29 ohm

115 ohm

11.5 ohm

290 ohm

29 ohm

115 ohm

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SSC JE Electrical 2019 with solution SET-1
A magnetic circuit is applied with a current that changes at a rate of 5 A/sec. The circuit has an inductance of 2H, then the self-induced EMF is

−2.5 V

0.4 V

−4 V

−10 V

−2.5 V

0.4 V

−4 V

−10 V

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SSC JE Electrical 2019 with solution SET-1
4F2D is a/an number

Octal

Binary

Decimal

Hexadecimal

Octal

Binary

Decimal

Hexadecimal

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SSC JE Electrical 2019 with solution SET-1
At f = _____R – L – C series circuit operates at unity power factor

1 ⁄ LC

1/2π√LC

1/RC

1 ⁄ RLC

1 ⁄ LC

1/2π√LC

1/RC

1 ⁄ RLC

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SSC JE Electrical 2019 with solution SET-1
Find the frequency of rotor induced EMF of a 3-phase, 440V, 50 Hz induction motor has a slip of 10%

5Hz

50Hz

2.5Hz

25Hz

5Hz

50Hz

2.5Hz

25Hz

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 Identify the important feature of a DC series motor

SSC JE Electrical 2019 with solution SET-1 An electric heater is connected across 230V and it draws a current of 2A. Then the resistance offered by the heater is?

SSC JE Electrical 2019 with solution SET-1 A magnetic circuit is applied with a current that changes at a rate of 5 A/sec. The circuit has an inductance of 2H, then the self-induced EMF is

SSC JE Electrical 2019 with solution SET-1 4F2D is a/an number

SSC JE Electrical 2019 with solution SET-1 At f = _____R – L – C series circuit operates at unity power factor

SSC JE Electrical 2019 with solution SET-1 Find the frequency of rotor induced EMF of a 3-phase, 440V, 50 Hz induction motor has a slip of 10%

SSC JE Electrical 2019 with solution SET-1
Identify the important feature of a DC series motor

SSC JE Electrical 2019 with solution SET-1
An electric heater is connected across 230V and it draws a current of 2A. Then the resistance offered by the heater is?

SSC JE Electrical 2019 with solution SET-1
A magnetic circuit is applied with a current that changes at a rate of 5 A/sec. The circuit has an inductance of 2H, then the self-induced EMF is

SSC JE Electrical 2019 with solution SET-1
4F2D is a/an number

SSC JE Electrical 2019 with solution SET-1
At f = _____R – L – C series circuit operates at unity power factor

SSC JE Electrical 2019 with solution SET-1
Find the frequency of rotor induced EMF of a 3-phase, 440V, 50 Hz induction motor has a slip of 10%