A 0.5m wire, stretched horizontally, carries a current of 10A from east to west in a magnetic field 0.1T directed – vertically downwards. The magnitude and direction of the force on the wire are

0.5N, towards South

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0.5 N, towards north

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0.25N, towards south

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0.25 towards north

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Solution

The correct option is A 0.5N, towards South
F = Bil
$= 0.1 \times 10 \times 0.5$
= 0.5 N towards south.

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A 0.5m wire, stretched horizontally, carries a current of 10A from east to west in a magnetic field 0.1T directed – vertically downwards. The magnitude and direction of the force on the wire are

The correct option is A 0.5N, towards SouthF = Bil =0.1×10×0.5 = 0.5 N towards south.

The correct option is A 0.5N, towards South
F = Bil
$= 0.1 \times 10 \times 0.5$
= 0.5 N towards south.