MCQ
Assertion (A): While making elements of heating appliances from wires of materials like nichrome, the length of the wires is increased by making coils of the wire.
Reason (R): The increase in the length of the conducting wire does not change the heating effect of the electric current.
Reason (R): The increase in the length of the conducting wire does not change the heating effect of the electric current.
- ABoth (A) and (R) are true, and (R) is the correct explanation of (A).
- BBoth (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.