Magnetic effects of current 10th Grade Quiz

Magnetic effects of current

Assessment

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Concept classes barnala

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Science

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10th Grade

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119 plays

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Hard

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12 questions

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1.

Multiple Choice

2 mins

1 pt

An Electric charge in a uniform motion produces

An Electric Field only

An Magnetic field only

Both Electric Field & Magnetic field

Neither of them

2.

Multiple Choice

2 mins

1 pt

Two parallel wires carry current in the same direction attract each other because of

Potential difference between them

Mutual inductance between them

Electric forces between them

Magnetic forces between them

3.

Multiple Choice

2 mins

1 pt

The strength of the magnetic field around a straight conductor carrying an electric current

is same every where around the conductor

obeys inverse square law

is directly proportional to the square root of the distance

None of the above

4.

Multiple Choice

2 mins

1 pt

A wire is parallel to the lines of the force of the magnetic field and the current flows in the wire. Then

The wire will experience a force along the direction of the magnetic field

The wire will not experience any force

The wire will experience the torque

The wire will experience a perpendicular force

5.

Multiple Choice

5 mins

1 pt

A length of the wire carries a steady current. It is bent first to form a circular plane coil of one turn .The same length is now bent more sharply to give a double loop of the smaller radius .The magnetic field at the center caused by the same current is

A quarter of its first value

Un altered

Four times its first value

A half of its first value