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An AC generator is connected to an electric appliance. In 10 revolutions of the armature, how many times the current in the appliance changes direction?

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Important Questions on Magnetic Effects of Electric Current

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Science>Physics>Magnetic Effects of Electric Current>Electric Generator

Write in brief the basic principle of hydroelectric power generation.

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Science>Physics>Magnetic Effects of Electric Current>Electric Generator

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

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

Armature

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Science>Physics>Magnetic Effects of Electric Current>Electric Generator
On which principle, electric generator works?
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Science>Physics>Magnetic Effects of Electric Current>Electric Generator

Describe working mechanism of AC electric generator with labelled diagram.

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Science>Physics>Magnetic Effects of Electric Current>Electric Generator
The device used for producing electric current is called :
HARD
Science>Physics>Magnetic Effects of Electric Current>Electric Generator
Explain the principle, construction and working of an alternating current (a.c.) generator, in detail.
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Science>Physics>Magnetic Effects of Electric Current>Electric Generator

Dynamo works on the principle of :

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Science>Physics>Magnetic Effects of Electric Current>Electric Generator
On which type of current do transformers work?
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Science>Physics>Magnetic Effects of Electric Current>Electric Generator
An electric generator is based on_____
MEDIUM
Science>Physics>Magnetic Effects of Electric Current>Electric Generator
Draw the diagram of AC dynamo and label the following part:

Brushes

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Science>Physics>Magnetic Effects of Electric Current>Electric Generator

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

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Science>Physics>Magnetic Effects of Electric Current>Electric Generator
The essential difference between an AC generator and a DC generator is that: