Question

For question numbers 1 and 2, two statements are given - one labeled Assertion (A) and the other labeled Reason (R). Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below.
(a) Both A and R are true and R is correct explanation of the assertion.
(b) Both A and R are true but R is not the correct explanation of the assertion.
(c) A is true but R is false.
(d) A is false but R is true.
(1) Assertion: A solenoid tends to expand, when a current passes through it.
Reason: Two straight parallel metallic wires carrying current in same direction attract each other.
(2) Assertion: Every biological system resist a change and wants to remain in state of equilibrium.
Reason: Climax communities ofan ecosystem are stable.

Answer 1

Answer:

(1) Assertion: A solenoid tends to expand, when a current passes through it.

Reason: Two straight parallel metallic wires carrying current in same direction attract each other.

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