Magnetic Effects of Electric Current MCQ Questions for Class 10 Science Chapter 13 with Answers

NCERTCOURSE.COM- Find here the NCERT/CBSE chapter-wise Multiple Choice Questions from Class 10 Science book Chapter 13 Magnetic Effects of Electric Current with Answers Pdf free download. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Magnetic Effects of Electric Current. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.

MCQ Questions for Class 10 Science Physics with Answers

Q1. magnetic field directed in north direction acts on an electron moving in east direction. The magnetic force on the electron will act

(i) vertically upwards.
(ii) towards east.
(iii) vertically downwards.
(iv) towards north.

(iii) vertically downwards.

Q2. The most important safety method used for protecting home appliances from short circuiting or overloading is by

(i) earthing
(ii) use of fuse
(iii) use of stabilizers
(iv) use of electric meter.

(ii) use of fuse

Q3. If the current values periodically from zero to a maximum value, back to zero and then reverses its direction, the current is

(i) direct
(ii) alternative
(iii) pulsating
(iv) none of the above

(ii) alternative

Q4. Which of the following properties of a proton can change when it moves freely in a
magnetic field

(i) mass
(ii) speed
(iii) velocity
(iv) momentum

(iii) velocity

Q5. An electric generator actually acts as

(i) a source of electric charge.
(ii) a source of neat energy.
(iii) an electromagnet.
(iv) a converter of energy.

(iv) a converter of energy.

Q6. The insulation colour of earth wire is

(i) blue
(ii) red
(iii) green
(iv) white.

(iii) green

Q7. The most important safety method used for protecting home appliances from short circuiting or overloading is

(i) earthing
(ii) use of fuse
(iii) use of stabilizers
(iv) use of electric meter

(ii) use of fuse

Q8. The pattern of the magnetic field produced by the straight current carrying conducting wire is

(i) in the direction opposite to the current
(ii) in the direction parallel to the wire
(iii) circular around the wire
(iv) in the same direction of current

(i) in the direction opposite to the current

Q9. Magnetic lines of force inside current carrying solenoid are

(i) perpendicular to axis.
(ii) along the axis and are parallel to each other.
(iii) parallel inside the solenoid and circular at the ends.
(iv) circular.

(iii) parallel inside the solenoid and circular at the ends.

Q10. Electric motor is a device which converts

(i) mechanical energy to electrical energy
(ii) electrical energy to mechanical energy
(iii) chemical energy to mechanical energy
(iv) mechanical energy to light energy.

(ii) electrical energy to mechanical energy

Q11. The device used for producing electric current is called

(i) generator
(ii) galvanometer
(iii) ammeter
(iv) motor

(i) generator

Q12. The nature of magnetic field line passing through the centre of current carrying circular loop is

(i) circular
(ii) ellipse
(iii) parabolic
(iv) straight line

(iv) straight line

Q13. Material of the core of a strong magnet is

(i) aluminium
(ii) soft iron
(iii) copper
(iv) steel

(ii) soft iron

Q14. Select the incorrect statement

(а) Magnetic field lines are closed curves
(ii) No two field lines can cross each other
(iii) Field lines can cross each other
(iv) The relative strength of the magnetic field is shown by degree of closness of the field lines.

(iii) Field lines can cross each other

Q15. What should be the core of an electromagnet?

(i) soft iron
(ii) hard iron
(iii) rusted iron
(iv) none of above

(i) soft iron

Q16. Magnetic effect of current was discovered by

(i) Oersted
(ii) Faraday
(iii) Bohr
(iv) Ampere

(i) Oersted

Q17. The magnetic field lines always begin from

(i) N-pole and end on S-pole.
(ii) S-pole and end on N-pole.
(iii) start from the middle and end at N-pole.
(iv) start from the middle and end at S-pole.

(i) N-pole and end on S-pole.

Q18. A positive charge is moving upwards in a magnetic field directed towards north. The particle will be deflected towards

(i) west
(ii) north
(iii) south
(iv) east

(i) west

Q19. A device for producing electric current is called a

(i) Galvanometer
(ii) Motor
(iii) Generator
(iv)Ammeter

(iii) Generator

Q20. The best material to make permanent magnets is

(i) aluminium
(ii) soft iron
(iii) copper
(iv) alnico

(iv) alnico

Q21. A positively charged particle say an alpha particle projected towards west is deflected toward north by a magnetic field. The direction of the magnetic field is

(i) Upward
(ii) downward
(iii) towards south
(iv) towards east.

(iv) towards east.

Q22. Small current in a circuit is detected by

(i) Galvanometer
(ii) Solenoid
(iii) Voltmeter
(iv) Fleming’s left hand rule

(i) Galvanometer

Q23. In electric motor, to make the coil rotating continuously in the same direction, current is reversed in the coil after every half rotation by a device called

(i) carbon brush
(ii) commutator
(iii) slip ring
(iv) armature

(ii) commutator

Q24. Potential difference between a live wire and a neutral wire is

(i) 200 volt
(ii) 150 volt
(iii) 210 volt
(iv) 220 volt

(iv) 220 volt

Q25. When current is parallel to magnetic field, then force experience by the current carrying conductor placed in uniform magnetic field is

(i) Twice to that when angle is 60°
(ii) Thrice to that when angle is 60°
(iii) zero
(iv) infinite

(i) Twice to that when angle is 60°

Q26. Electric motor converts

(i) Mechanical energy into electrical energy
(ii) Mechanical energy into heat energy
(iii) Electrical energy into heat energy
(iv) Electrical energy into mechanical energy

(iv) Electrical energy into mechanical energy

Q27. A soft iron bar is introduced inside the current carrying solenoid. The magnetic field inside the solenoid

(i) will decrease
(ii) will remains same
(iii) will increase
(iv) will become zero

(iii) will increase

Q28. Fleming’s left hand and Right hand rules are used in

(i) Generator and electric motor
(ii) Electric motor and generator
(iii) any rule can be used for any device
(iv) both are not applied for generator and motor.

(ii) Electric motor and generator

I Think the given NCERT MCQ Questions for class 10 Science book Chapter 13 Magnetic Effects of Electric Current with Answers Pdf free download will assist you. If you’ve got any queries regarding CBSE Class 10 Science Magnetic Effects of Electric Current MCQs Multiple Choice Questions with Answers, drop a comment below and that we will come back to you soon.

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