A 4 pole dc motor with armature winding resistance of 0.6 ohm receives a supply of 230 Volt. If the back emf produced during running condition is equal to 210 volt. Calculate the current flowing through the armature at this point.

Electrical Machines
A 4 pole dc motor with armature winding resistance of 0.6 ohm receives a supply of 230 Volt. If the back emf produced during running condition is equal to 210 volt. Calculate the current flowing through the armature at this point.

29 Amp.

43 Amp.

33.33 Amp.

44.47 Amp.

29 Amp.

43 Amp.

33.33 Amp.

44.47 Amp.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The shaft of induction motor may be unbalanced due to

overload.

uneven air gap.

poor lubrication.

overheating of winding.

overload.

uneven air gap.

poor lubrication.

overheating of winding.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If the field winding connection of DC shunt motor is changed

motor will become slow.

It will run in same direction.

motor will not run.

It will run in opposite direction.

motor will become slow.

It will run in same direction.

motor will not run.

It will run in opposite direction.

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Electrical Machines
The slip of an induction motor normally does not depend on which of the following?

Rotor speed.

Core loss component.

Synchronous speed.

Shaft torque.

Rotor speed.

Core loss component.

Synchronous speed.

Shaft torque.

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Electrical Machines
In a three phase slip-ring induction motor, brushes are connected to

equalizing coils.

3 - ÃŽÂ¦ AC supply.

external star-connected resistors.

DC supply.

equalizing coils.

3 - ÃŽÂ¦ AC supply.

external star-connected resistors.

DC supply.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In synchronous generator, inverted V curve is drawn between

field current on Y-axis and armature current on X-axis

field current on X-axis and armature current on Y-axis

field current on X-axis and power factor on Y-axis

field current on Y-axis and power factor on X-axis

field current on Y-axis and armature current on X-axis

field current on X-axis and armature current on Y-axis

field current on X-axis and power factor on Y-axis

field current on Y-axis and power factor on X-axis

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines

Electrical Machines A 4 pole dc motor with armature winding resistance of 0.6 ohm receives a supply of 230 Volt. If the back emf produced during running condition is equal to 210 volt. Calculate the current flowing through the armature at this point.

Electrical Machines The shaft of induction motor may be unbalanced due to

Electrical Machines If the field winding connection of DC shunt motor is changed

Electrical Machines The slip of an induction motor normally does not depend on which of the following?

Electrical Machines In a three phase slip-ring induction motor, brushes are connected to

Electrical Machines In synchronous generator, inverted V curve is drawn between

Electrical Machines
A 4 pole dc motor with armature winding resistance of 0.6 ohm receives a supply of 230 Volt. If the back emf produced during running condition is equal to 210 volt. Calculate the current flowing through the armature at this point.

Electrical Machines
The shaft of induction motor may be unbalanced due to

Electrical Machines
If the field winding connection of DC shunt motor is changed

Electrical Machines
The slip of an induction motor normally does not depend on which of the following?

Electrical Machines
In a three phase slip-ring induction motor, brushes are connected to

Electrical Machines
In synchronous generator, inverted V curve is drawn between