Chapter 4: Electromagnetism Physics Mcqs for High School - Grade 10

1.

In a transformer, the primary coil is connected to

A. Alternating current (AC) source

B. Direct current (DC) source

C. resistor

D. inductor

Answer & Solution Discuss in Board

2.

Weak ionic current in our body that travels along the nerve can produce the

A. atoms

B. heat

C. potential difference

D. magnetic effect

Answer & Solution Discuss in Board

3.

Electric motors works on the principle of

A. capacitors

B. friction

C. couple

D. torque

Answer & Solution Discuss in Board

4.

A transformer is designed to convert the voltage from 240 V a.c mains to 12 V, and has 4000 turns on its primary coil. The turns on its secondary coil should be

A. 100

B. 200

C. 120

D. 480

Answer & Solution Discuss in Board

5.

In transformer the changing current in primary coil induces changing magnetic field in

A. resistor

B. inductor

C. insulator

D. secondary coil

Answer & Solution Discuss in Board

6.

The magnetic field produced near the current-carrying conductor is

A. stronger

B. weaker

C. neutral

D. none of above

Answer & Solution Discuss in Board

7.

Magnetic effect of current is called

A. magnetism

B. steady current

C. electric current

D. electromagnetism

Answer & Solution Discuss in Board

8.

The production of induced current in one coil due to production of current in neighboring coil is

A. electromagnetism

B. induction

C. mutual induction

D. steady current

Answer & Solution Discuss in Board

9.

A transformer is designed to convert the voltage from 240 V a.c mains to 12 V, and has 4000 turns on its primary coil. If it is 100% efficient, and the current in the secondary coil was 0.4 A then the current in the primary coil should be

A. 0.08 A

B. 0.05 A

C. 0.02 A

D. 0.01 A

Answer & Solution Discuss in Board

10.

In a D.C motor the coil in a magnet rotates maximum to about

A. 180 °

B. 150 °

C. 90 °

D. 50 °

Answer & Solution Discuss in Board

Practice MCQ Questions and answers on Chapter 4: Electromagnetism Physics Mcqs for High School - Grade 10

1. In a transformer, the primary coil is connected to

Answer & Solution

2. Weak ionic current in our body that travels along the nerve can produce the

Answer & Solution

3. Electric motors works on the principle of

Answer & Solution

4. A transformer is designed to convert the voltage from 240 V a.c mains to 12 V, and has 4000 turns on its primary coil. The turns on its secondary coil should be

Answer & Solution

5. In transformer the changing current in primary coil induces changing magnetic field in

Answer & Solution

6. The magnetic field produced near the current-carrying conductor is

Answer & Solution

7. Magnetic effect of current is called

Answer & Solution

8. The production of induced current in one coil due to production of current in neighboring coil is

Answer & Solution

9. A transformer is designed to convert the voltage from 240 V a.c mains to 12 V, and has 4000 turns on its primary coil. If it is 100% efficient, and the current in the secondary coil was 0.4 A then the current in the primary coil should be

Answer & Solution

10. In a D.C motor the coil in a magnet rotates maximum to about

Answer & Solution

Read More Section(Physics MCQs)

1.

In a transformer, the primary coil is connected to

2.

Weak ionic current in our body that travels along the nerve can produce the

3.

Electric motors works on the principle of

4.

A transformer is designed to convert the voltage from 240 V a.c mains to 12 V, and has 4000 turns on its primary coil. The turns on its secondary coil should be

5.

In transformer the changing current in primary coil induces changing magnetic field in

6.

The magnetic field produced near the current-carrying conductor is

7.

Magnetic effect of current is called

8.

The production of induced current in one coil due to production of current in neighboring coil is

9.

A transformer is designed to convert the voltage from 240 V a.c mains to 12 V, and has 4000 turns on its primary coil. If it is 100% efficient, and the current in the secondary coil was 0.4 A then the current in the primary coil should be

10.

In a D.C motor the coil in a magnet rotates maximum to about