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P, Q and R are long straight wires in ai...

P, Q and R are long straight wires in air, carrying currents as shown. The force on Q is directed

A

to the left

B

to the right

C

perpendicular to the plane of the diagram

D

along the current in Q

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Two long and parallel straight wires A and B are carrying currents of 4A and 7A in the same directions are separated by a distance of 5cm. The force acting on a 8cm section of wire A is

    A
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    B
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    D
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