A wire PQR is bent as shown in figure and is placed in a region of uniform magnetic field B. The length of PQ = QR = l. A current I ampere flows through the wire as shown. The magnitude of force on PQ and QR will be-
Text Solution
Verified by ExpertsThe correct answer is:
C
The Lorentz force acting on the current carrying conductor in the magnetic field
Since, wire 
is parallel to the direction of magnetic field,
then 
,
Also, wire 
is perpendicular to the direction of magnetic field, then 
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