nursing AIIMS BSc Nursing 2025 Mock Test Series Physics Current, Resistance and Electricity Resistance and Resistivity
Assertion (A): When a wire is heated, its resistance increases.
Reason (R): Heating increases the collisions between free electrons and atoms in the wire.
1
Both A and R are true, and R is the correct explanation of A.
2
Both A and R are true, and R is not the correct explanation of A.
3
A is true, but R is false.
4
A is false, but R is true.