MEDIUM
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AC generator has slip rings while the DC generator has a .

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Important Questions on Magnetic Effects of Electric Current

EASY
Science>Physics>Magnetic Effects of Electric Current>Electric Generator
Write any one use of a d.c. motor.
EASY
Science>Physics>Magnetic Effects of Electric Current>Electric Generator
If a single coil of large number of turns is used in a motor, it is found that the motion of the coil is not smooth but jerky.
Why is it so? How can this jerky motion be converted into a smooth circular motion?
EASY
Science>Physics>Magnetic Effects of Electric Current>Electric Generator

How can the power of an electric motor be increased? Explain with any three points.

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

Explain the working of electric motor with a neat diagram.

EASY
Science>Physics>Magnetic Effects of Electric Current>Electric Generator
Explain the function of the following parts of an electric motor.

Brushes 

EASY
Science>Physics>Magnetic Effects of Electric Current>Electric Generator
The principle of working of a motor is
HARD
Science>Physics>Magnetic Effects of Electric Current>Electric Generator
Explain the construction and working of an electric motor.
EASY
Science>Physics>Magnetic Effects of Electric Current>Electric Generator
Draw a labelled diagram of an electric motor.
EASY
Science>Physics>Magnetic Effects of Electric Current>Electric Generator
Explain the function of the following parts of an electric motor.

Split ring

EASY
Science>Physics>Magnetic Effects of Electric Current>Electric Generator
State the basic principle of an electric motor. What is the function of a split ring in an electric motor?
MEDIUM
Science>Physics>Magnetic Effects of Electric Current>Electric Generator
Draw the diagram of a simple electric motor. Label the following part:

Split rings

EASY
Science>Physics>Magnetic Effects of Electric Current>Electric Generator
Explain the function of the following parts of an electric motor.

Armature

MEDIUM
Science>Physics>Magnetic Effects of Electric Current>Electric Generator
Draw the diagram of a simple electric motor. Label the following parts:

Brushes

EASY
Science>Physics>Magnetic Effects of Electric Current>Electric Generator
Draw a neat labelled diagram of a d.c. motor.
MEDIUM
Science>Physics>Magnetic Effects of Electric Current>Electric Generator
Draw a well labelled diagram of electric motor.
EASY
Science>Physics>Magnetic Effects of Electric Current>Electric Generator
Write the principle of an electric motor.
MEDIUM
Science>Physics>Magnetic Effects of Electric Current>Electric Generator
Draw a well labelled diagram of electric motor.
EASY
Science>Physics>Magnetic Effects of Electric Current>Electric Generator
Explain the working of an electric motor.
EASY
Science>Physics>Magnetic Effects of Electric Current>Electric Generator
Write the principle of working of an electric motor.
EASY
Science>Physics>Magnetic Effects of Electric Current>Electric Generator
What is the role of the split ring in an electric motor?