The direction of the arrow represents the direction of when the diode is forward biased

SSC JE Electrical 2019 with solution SET-1
The direction of the arrow represents the direction of when the diode is forward biased

P-type material

N-type material

Conventional current flow

P-N Junction

P-type material

N-type material

Conventional current flow

P-N Junction

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SSC JE Electrical 2019 with solution SET-1
Two coupled coils with L1 = L2 = 0.5H have a coupling coefficient of K = 0.75. The turn ratio N1 ⁄ N2 = ?

4

2

0.5

1

4

2

0.5

1

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SSC JE Electrical 2019 with solution SET-1
Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

Pmech = (2πωT)/60

Pmech = (ωT)/60

Pmech = ωT

Pmech = (2πωT)

Pmech = (2πωT)/60

Pmech = (ωT)/60

Pmech = ωT

Pmech = (2πωT)

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SSC JE Electrical 2019 with solution SET-1
Which motor is referred to as a universal motor?

Single-phase induction

Series

Shunt

Synchronous

Single-phase induction

Series

Shunt

Synchronous

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SSC JE Electrical 2019 with solution SET-1
In a single-phase capacitor start-and-run motor, the minimum number of capacitors to be used in it is:

2

3

1

4

2

3

1

4

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SSC JE Electrical 2019 with solution SET-1
The resistive component of the rotor with resistance R2 offered to the backward rotating flux wave in a single-phase motor runs with slip s is given as

R2 ⁄ (2 − S)

R2 ⁄ (1 + S)

R2 ⁄ (1 − S)

R2 ⁄ S

R2 ⁄ (2 − S)

R2 ⁄ (1 + S)

R2 ⁄ (1 − S)

R2 ⁄ S

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 The direction of the arrow represents the direction of when the diode is forward biased

SSC JE Electrical 2019 with solution SET-1 Two coupled coils with L1 = L2 = 0.5H have a coupling coefficient of K = 0.75. The turn ratio N1 ⁄ N2 = ?

SSC JE Electrical 2019 with solution SET-1 Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

SSC JE Electrical 2019 with solution SET-1 Which motor is referred to as a universal motor?

SSC JE Electrical 2019 with solution SET-1 In a single-phase capacitor start-and-run motor, the minimum number of capacitors to be used in it is:

SSC JE Electrical 2019 with solution SET-1 The resistive component of the rotor with resistance R2 offered to the backward rotating flux wave in a single-phase motor runs with slip s is given as

SSC JE Electrical 2019 with solution SET-1
The direction of the arrow represents the direction of when the diode is forward biased

SSC JE Electrical 2019 with solution SET-1
Two coupled coils with L1 = L2 = 0.5H have a coupling coefficient of K = 0.75. The turn ratio N1 ⁄ N2 = ?

SSC JE Electrical 2019 with solution SET-1
Let T be the net torque developed by the rotor runs at ω rad/s. What is the mechanical power developed?

SSC JE Electrical 2019 with solution SET-1
Which motor is referred to as a universal motor?

SSC JE Electrical 2019 with solution SET-1
In a single-phase capacitor start-and-run motor, the minimum number of capacitors to be used in it is:

SSC JE Electrical 2019 with solution SET-1
The resistive component of the rotor with resistance R2 offered to the backward rotating flux wave in a single-phase motor runs with slip s is given as