MEDIUM
Earn 100

Compare the working principle of an electric motor and AC generator.

Important Questions on Electromagnetism

MEDIUM

Write in brief the basic principle of hydroelectric power generation.

MEDIUM

What type of energy is transformed to electrical energy in a dynamo?

EASY
What is dynamo? Describe its method of working with a diagram.
HARD
Explain the construction and working of alternating current generator.
MEDIUM
Explain the main principle of an electric generator by drawing a labelled diagram.
HARD
Explain the underlying principle and working of an electric generator by drawing a labelled diagram. What is the function of brushes?
MEDIUM
Draw a well labelled diagram of electric generator.
EASY
The instantaneous voltage of a 50 Hz generator giving peak voltage as 300  V. The generator equation for this voltage is
MEDIUM
Explain the underlying principle, working and uses of an electric generator with a labelled diagram.
MEDIUM
Draw the diagram of AC dynamo and label the following part:

Armature

EASY
On which principle, electric generator works?
EASY

Describe working mechanism of AC electric generator with labelled diagram.

EASY
The device used for producing electric current is called :
HARD
Explain the principle, construction and working of an alternating current (a.c.) generator, in detail.
EASY

Dynamo works on the principle of :

EASY
On which type of current do transformers work?
EASY
An electric generator is based on_____
MEDIUM
Draw the diagram of AC dynamo and label the following part:

Brushes

EASY

How can an AC generator be converted into a DC generator ?

EASY
The essential difference between an AC generator and a DC generator is that: