Class 10 Science MCQ Chapter 13 Magnetic Effects of Electric Current

Class 10 Science MCQ Chapter 13 Magnetic Effects of Electric Current, Class 10 Science MCQ Question Answer, Class 10 Science Multiple Choice Question Answer to each chapter is provided in the list of SCERT Science Class 10 Objective Types Question Answer so that you can easily browse through different chapters and select needs one. Class 10 Science MCQ Chapter 13 Magnetic Effects of Electric Current Question Answer can be of great value to excel in the examination.

SCERT Class 10 Science MCQ Chapter 13 Magnetic Effects of Electric Current

SCERT Class 10 General Science MCQ Chapter 13 Magnetic Effects of Electric Current Notes covers all the exercise questions in SCERT Science Textbooks. The NCERT Class 10 Science MCQ Chapter 13 Magnetic Effects of Electric Current provided here ensures a smooth and easy understanding of all the concepts. Understand the concepts behind every chapter and score well in the board exams.

Magnetic Effects of Electric Current

Chapter – 13

Multiple Choice Questions & Answers

1. Which of the following statements is incorrect for the magnetic lines of force-

(a) Two magnetic lines of force cannot intersect.

(b) Magnetic lines of force emerge from the north pole of a magnet and enter the south pole.

(c) Inside the magnet, the direction of magnetic lines of force is from the north pole to the south pole.

(d) Magnetic lines of force are some closed curve.

Ans: (c) Inside the magnet, the direction of magnetic lines of force is from the north pole to the south pole.

2. The direction of magnetic field produced around a current-carrying straight conductor depends on the direction of current through the conductor. In this case, the rule used to determine the direc- tion of magnetic field is-

(a) Right-hand thumb rule.

(b) Fleming’s left-hand rule.

(c) Fleming’s right-hand rule.

(d) None of the above.

Ans: (a) Right-hand thumb rule.

3. Which of the following statements is incorrect for the magnetic field produced by a current-carrying circular loop-

(a) Magnetic field is uniform at the centre of loop.

(b) Magnetic lines of force at the centre of the loop are parallel lines.

(c) Magnitude of the magnetic field at the centre remains same even though the number of turns of the loop is increased.

(d) Magnitude of the magnetic field inside the loop increases with the increase in current in the loop.

Ans: (c) Magnitude of the magnetic field at the centre remains same even though the number of turns of the loop is increased.

4. On which of the following factors does the force applied an a current-carrying conductor placed in a magnetic field depends-

(a) Magnitude of current through the conductor.

(b) Magnitude of the magnetic field.

(c) Length of the conductor.

(d) All of the above.

Ans: (d) All of the above.

5. The factor on which the direction of force applied on a current-carrying conductor placed in magnetic field depends is-

(a) Direction of magnetic field.

(b) Direction of current through the conductor.

(c) Both (a) and (b).

(d) None of the above.

Ans: (c) Both (a) and (b).

6. The rule which determines the direction of force on the a current-carrying conductor placed in a magnetic field is-

(a) Right-hand thumb rule.

(b) Fleming’s left-hand rule.

(c) Fleming’s right-hand rule.

(d) None of above.

Ans: (b) Fleming’s left-hand rule.

7. In the given figure an alpha particle,

(positively charged) has entered perpendicularly in a magnetic field. Direction of force acting on the alpha particle will be-

(a) To right. 

(b) To left.

(c) Out of the page.

(d) Into the page.

Ans: (c) Out of the page.

8.The instrument that detects the presence of current in a circuit-

(a) Galvanometer.

(b) Ammeter.

(c) Voltmeter.

(d) None of above.

Ans: (a) galvanometer.

9. The factor on which the direction of current induced in a coil rotated in a magnetic field depends is-

(a) Direction of motion of the coil.

(b) Direction of magnetic field.

(c)  Both (a) and (b).

(d) None of the above.

Ans: (c) Both (a) and (b).

10. The rule which determines the direction of current induced in a coil rotated in a magnetic field is-

(a) Fleming’s right-hand rule.

(b) Fleming’s left-hand rule.

(c) Right-hand thumb rule.

(d) None of the above.

Ans: (a) Fleming’s right-hand rule.

11. The frequency of AC in India is-

(a) 25Hz

(b) 50Hz

(c) 100Hz

(d) 5Hz

Ans: (b) 50Hz

12. The AC changes its direction in India after every –

(a) 0.01 second.

(b) 0.02 second.

(c) 1 second.

(d) 5 second.

Ans: (a) 0.01 second.

13. The potential difference between the live wire and the neutral wire in India is-

(a) 100V

(b) 200V

(c) 250V

(d) 220V

Ans: (d) 220V

14. The factor on which the value of magnetic field inside a current-carrying solenoid depends on-

(a) Current through the coil.

(b) Radius of the coil.

(c) Number of turns of the coil.

(d) All of the above.

Ans: (d) All of the above.

15. An AC generator uses-

(a) Two slip rings.

(b) A split ring.

(c) (a) or (b).

(d) None of the above.

Ans: (a) Two slip rings.