Z1 and Z2 are connected in series to form a load. A wattmeter’s current coil is connected in series with the load, whereas its pressure coil is connected across Z2. The wattmeter reads

SSC JE Electrical 2019 with solution SET-1
Z1 and Z2 are connected in series to form a load. A wattmeter’s current coil is connected in series with the load, whereas its pressure coil is connected across Z2. The wattmeter reads

Power consumed by Z1 and Z2

Zero always

Power consumed by Z2

Power consumed by Z1

Power consumed by Z1 and Z2

Zero always

Power consumed by Z2

Power consumed by Z1

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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 = (ωT)/60

Pmech = (2πωT)

Pmech = ωT

Pmech = (2πωT)/60

Pmech = (ωT)/60

Pmech = (2πωT)

Pmech = ωT

Pmech = (2πωT)/60

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SSC JE Electrical 2019 with solution SET-1
Which of the following losses is together called iron losses?

Hysteresis loss and frictional loss

Eddy current loss and hysteresis loss

Hysteresis loss and copper loss

Eddy current loss and frictional loss

Hysteresis loss and frictional loss

Eddy current loss and hysteresis loss

Hysteresis loss and copper loss

Eddy current loss and frictional loss

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SSC JE Electrical 2019 with solution SET-1
Identify the INCORRECT statement with regards to synchronous motors

The armature winding is placed on the stator

It is a constant speed motor

The field winding is placed on the rotor

It is a self-starting machine

The armature winding is placed on the stator

It is a constant speed motor

The field winding is placed on the rotor

It is a self-starting machine

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SSC JE Electrical 2019 with solution SET-1
The voltmeter is shown in the circuit reads:

12 V

1.2 V

2.4 V

24 V

12 V

1.2 V

2.4 V

24 V

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SSC JE Electrical 2019 with solution SET-1
If dΦ is the luminous flux incident normally on an area dA, then Illuminance is given as

dΦ ⁄ dA

Φ × A

dΦ − dA

dA ⁄ dΦ

dΦ ⁄ dA

Φ × A

dΦ − dA

dA ⁄ dΦ

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SSC JE Electrical 2019 with solution SET-1

SSC JE Electrical 2019 with solution SET-1 Z1 and Z2 are connected in series to form a load. A wattmeter’s current coil is connected in series with the load, whereas its pressure coil is connected across Z2. The wattmeter reads

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 of the following losses is together called iron losses?

SSC JE Electrical 2019 with solution SET-1 Identify the INCORRECT statement with regards to synchronous motors

SSC JE Electrical 2019 with solution SET-1 The voltmeter is shown in the circuit reads:

SSC JE Electrical 2019 with solution SET-1 If dΦ is the luminous flux incident normally on an area dA, then Illuminance is given as

SSC JE Electrical 2019 with solution SET-1
Z1 and Z2 are connected in series to form a load. A wattmeter’s current coil is connected in series with the load, whereas its pressure coil is connected across Z2. The wattmeter reads

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 of the following losses is together called iron losses?

SSC JE Electrical 2019 with solution SET-1
Identify the INCORRECT statement with regards to synchronous motors

SSC JE Electrical 2019 with solution SET-1
The voltmeter is shown in the circuit reads:

SSC JE Electrical 2019 with solution SET-1
If dΦ is the luminous flux incident normally on an area dA, then Illuminance is given as