Question

COS.
Q. 14. Assertion : When two long parallel straight conductors hanging freely are
connected in parallel to a powerful battery, they come near to each other.
Reason: Conductors carrying current in same direction attract each other.
Section B
[1]​

Answer 1

Answer:

Assertion and reason both are true and reason is correct explanation of assertion

Explanation:

Assertion : When two long parallel straight conductors hanging freely are

connected in parallel to a powerful battery, they come near to each other.

TRUE : When two current carrying wires are placed near to each other than the force of attraction between them is given as

$F = \frac{\mu_0 i_1 i_1 L}{2\pi d}$

here the current in two wires must be in same direction

Reason: Conductors carrying current in same direction attract each other.

Section B

When current in two wires are in opposite direction then the two wires will repel each other while if the current in two wires are in same direction then the two wires will attract each other.

#Learn

Topic : Magnetic effect of current

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