Practice MCQ Questions and answers on Physics-GK Page-1 section-14

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11 Section 12 Section 13 Section 14 Section 15

1.
Magnetism in materials is due to

A. Electrons at rest

B. Circular motion of electrons

C. Protons at rest

D. All neutrons at rest

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2.
The method of magnetisation is:

A. Hammering a magnet

B. Heating a magnet

C. Passing direct current through it

D. Passing alternating current through it

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3.
Magnetic keepers are pieces of

A. Nickel

B. Cobalt

C. Steel

D. Soft iron

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4.
Curie point is the temperature at which

A. Matter becomes radioactive

B. A metal loses magnetic properties.

C. A metal loses conductivity

D. Transmutation of metal occurs.

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5.
Tesla is a unit of magnetic :

A. Flux

B. Induction

C. Moment

D. Field

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6.
The domain theory of magnetism applies to

A. Aluminium

B. Copper

C. Silver

D. Cobalt

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7.
The paramagnetic theory of magnetism applies to

A. Nickel

B. Mercury

C. Iron

D. Platinum

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8.
Where should a boat compass be mounted?

A. Near magnet

B. Near iron

C. Away from electrical wiring

D. All the above

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9.
Which of the following properties is found only in ferromagnetic materials ?

A. Susceptibility independent of temperature

B. Point in a particular direction

C. Hysteresis

D. Attracting a magnetic substance

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10.
Magnetic field lines about a current-carrying wire

A. Circle the wire in closed loops

B. Extend radially from the wire

C. Both of these

D. None of the above

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Practice MCQ Questions and answers on Physics-GK

1. Magnetism in materials is due to

Answer & Solution

2. The method of magnetisation is:

Answer & Solution

3. Magnetic keepers are pieces of

Answer & Solution

4. Curie point is the temperature at which

Answer & Solution

5. Tesla is a unit of magnetic :

Answer & Solution

6. The domain theory of magnetism applies to

Answer & Solution

7. The paramagnetic theory of magnetism applies to

Answer & Solution

8. Where should a boat compass be mounted?

Answer & Solution

9. Which of the following properties is found only in ferromagnetic materials ?

Answer & Solution

10. Magnetic field lines about a current-carrying wire

Answer & Solution

Read More Section(Physics)

1.
Magnetism in materials is due to

2.
The method of magnetisation is:

3.
Magnetic keepers are pieces of

4.
Curie point is the temperature at which

5.
Tesla is a unit of magnetic :

6.
The domain theory of magnetism applies to

7.
The paramagnetic theory of magnetism applies to

8.
Where should a boat compass be mounted?

9.
Which of the following properties is found only in ferromagnetic materials ?

10.
Magnetic field lines about a current-carrying wire