Assertion : A solenoid tends to expand, when current passes through it.
Reason : Two straight parallel metallic wires carrying current in the same direction repel each other.
(a) Both assertion and reason are true and reason is the correct explanation of assertion.
(b) Both assertion and reason are true and reason is not the correct explanation of assertion
(c) Assertion is true but reason is false
(d) Assertion is false and reason is true