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  • An isosceles right angled current carrying loop PQR is placed in a uniform magnetic field pointing along PR. If the magnetic force acting o

An isosceles right angled current carrying loop PQR is placed in a uniform magnetic field \overrightarrow{ B }pointing along PR. If the magnetic force acting on the arm PQ is F, then the magnetic force which acts on the arm QR will be
Option: 1 F
Option: 2 \frac{F}{\sqrt{2}}
Option: 3 \sqrt{2}F
Option: 4 -F

Answers (1)

The net magnetic force on a current-carrying loop in a uniform magnetic field = 0

\\F_{PQ}+F_{QR}+F_{PR}=0\\F+F_{QR}+0=0\\F_{QR}=-F

 

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Safeer PP

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