Free PDF Download of CBSE Class 10 Science Chapter 13 Magnetic Effects of Electric Current Assertion Reason Questions for Class 10 Science. Assertion and Reason Question for Class 10 Science with Answers were Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Science Magnetic Effects of Electric Current to know their preparation level.
Magnetic Effects of Electric Current Class 10 Assertion Reason Questions
The following questions consist of two statements – Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.
Q.1. Assertion(A) : Strength of an electromagnet can be increased by increasing the number of turns per unit length in solenoid coil.
Reason (R) : Strength of an electromagnet can be increased by increasing the current flowing through the solenoid.
(b) Both A and R are true but R is not the correct explanation of A.
Q.2. Assertion(A): On changing the direction of flow of current through a straight conductor, the direction of a magnetic field around the conductor is reversed.
Reason (R) : The direction of magnetic field around a conductor can be given in accordance with left hand thumb rule.
(c) A is true but R is false.
Q.3. Assertion(A) : A current carrying wire deflects a magnetic needle placed near it.
Reason (R) : A magnetic field exists around a current carrying wire.
(a) Both A and R are true and R is the correct explanation of A.
Q.4. Assertion(A) : The strength of the magnetic field at the centre of a circular coil of a wire depends on the radius of the coil
Reason (R) : The strength of the magnetic field at the centre of a circular coil of a wire depends on the number of turns of the wire in the coil.
(b) Both A and R are true but R is not the correct explanation of A.
Q.5. Assertion(A) : Alternating Current is used in household supply.
Reason (R) : AC electric power can be transmitted over long distances without much loss of energy.
(a) Both A and R are true and R is the correct explanation of A.
Q.6. Assertion(A) : The strength of the magnetic field produced at the centre of a current carrying circular coil increases on increasing the radius of the circular coil.
Reason (R) : Magnetic field strength is inversely proportional to the radius of the circular coil.
(d) Assertion is false but reason is true
Q.7. Assertion(A) : The strength of the magnetic field produced at the centre of a current carrying circular coil increases on increasing the number of turns of the circular coil.
Reason (R) : Magnetic field strength is directly proportional to the number of turns of the circular coil.
(a) Both A and R are true and R is the correct explanation of A.
Q.8. Assertion(A) : On freely suspending a current-carrying solenoid, it comes to rest in N-S direction just like a bar magnet.
Reason (R) : One end of current carrying straight solenoid behaves as a North pole and the other end as a South pole.
(a) Both A and R are true and R is the correct explanation of A.
Q.9. Assertion(A) : The strength of the magnetic field produced at the centre of a current carrying circular coil increases on increasing the current flowing through the coil.
Reason (R) : Magnetic field strength is inversely proportional to the current flowing in the coil.
(c) A is true but R is false.
Q.10. Assertion(A) : A compass needle is placed near a current carrying wire. The deflection of the compass needle decreases when the compass needle is displaced away from the wire.
Reason (R) : Strength of a magnetic field decreases as one moves away from a current carrying conductor.
(a) Both A and R are true and R is the correct explanation of A.
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