Assertion & Reason

Question 11 Mark

Assertion (A): Insulators do not allow the flow of current through themselves.
Reason (R): They have no free charge carriers.

Answer

If both A and R are true and the R is correct explanation of A

View full question & answer→

MCQ 21 Mark

Assertion (A): Copper is used to make electric wires.
Reason (R): Copper has very low electrical resistance.

✓
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.

Answer

Correct option: A.

Both A and R are true and R is the correct explanation of A.

Both A and R are true and R is the correct explanation of A.

View full question & answer→

MCQ 31 Mark

Assertion (A) : The connecting wires are made of copper.
Reason (R) : The electrical conductivity of copper is high.

✓
Both A and R are true but R is the correct explanation of A.
B
Both A and R are true and R is the not the correct explanation of A.
C
A is true but R is false.
D
A is false but R is true.

Answer

Correct option: A.

Both A and R are true but R is the correct explanation of A.

Both A and R are true but R is the correct explanation of A

View full question & answer→

MCQ 41 Mark

Assertion (A) : A current carrying wire should be charged.
Reason (R) : The current in a wire is due to flow of free electrons in a definite direction.

A
Both A and R are true but R is the correct explanation of A.
B
Both A and R are true and R is the not the correct explanation of A.
C
A is true but R is false.
✓
A is false but R is true.

Answer

Correct option: D.

A is false but R is true.

A is false but R is true

View full question & answer→

MCQ 51 Mark

Assertion (A) : Insulators do not allow flow of current through them.
Reason (R) : Insulators have no free charge carrier.

✓
Both A and R are true but R is the correct explanation of A.
B
Both A and R are true and R is the not the correct explanation of A.
C
A is true but R is false.
D
A is false but R is true.

Answer

Correct option: A.

Both A and R are true but R is the correct explanation of A.

Both A and R are true but R is the correct explanation of A

View full question & answer→

MCQ 61 Mark

Assertion (A) : Charges flow from higher potential to the lower potential.
Reason (R) : Current flows mainly due to flow of electrons.

A
Both A and R are true but R is the correct explanation of A.
✓
Both A and R are true and R is the not the correct explanation of A.
C
A is true but R is false.
D
A is false but R is true.

Answer

Correct option: B.

Both A and R are true and R is the not the correct explanation of A.

Both A and R are true and R is the not the correct explanation of A

View full question & answer→

Science Assertion & Reason

Test yourself on this topic