# 10th Class Physics Chapter 15 MCQs Notes 2024

Students if you are looking for the 10th Class Physics Chapter 15 MCQs Notes if yes? then you visit the right place where you can easily find chapter 15 most important MCQs with answers.

Students You know that these Chapter 6 15 ELECTROMAGNETISM MCQs Questions of Physics are helpful so don’t ignore to find answers from your physics of class 10

## 10th Class Physics Chapter 15 MCQs With Answers

1: Which statement is true about the magnetic poles?

(a) unlike poles repel
(b) like poles attract
(c) magnetic poles do not affect each other
(d) a single magnetic pole does not exist

2: What is the direction of the magnetic field lines inside a bar magnet?

(a) from the North Pole to south pole
(b) from the South Pole to the North Pole
(c) from side to side
(d) there are no magnetic field lines

3: The presence of a magnetic field can be detected by a

(a) small mass
(b) stationary positive charge
(c) stationary negative charge
(d) magnetic compass

4: If the current in a wire that is placed perpendicular to a magnetic field increases, the force on the wire

(a) increases
(b) decreases
(c) remains the same
(d) will be zero

5: A D.C motor converts

(a) mechanical energy into electrical energy
(b) mechanical energy into chemical energy
(c) electrical energy into mechanical energy
(d) electrical energy into chemical energy

6: Which part of a D.C. motor reverses the direction of current through the coil every half-cycle?

(a) the armature
(b) the commutator
(c) the brushes
(d) the slip rings

7: The direction of induced e.m.f. in a circuit is in accordance with the conservation of

(a) mass
(b) charge
(d) momentum
(d) energy

8: The step-up transformer

(a) increases the input current
(b) increases the input voltage
(c) has more turns in the primary
(d) has fewer turns in the secondary coil

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