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Figure shows a conducting rod of negligible resistance that can slide on smooth U-shaped rail mad...
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Figure shows a conducting rod of negligible resistance that can slide on smooth U-shaped rail made of wire of resistance 1 Ω / m. Position of the conducting rod at t=0 is shown. A time t dependent magnetic field B=2 t Tesla is switched on at t=0.
At t=0, when the magnetic field is switched on, the conducting rod is moved to the left at constant speed 5 cm / s by some external means. The rod moves remaining perpendicular to the rails.
Following situation of the question, the magnitude of the force required at the same instant t=2 s to move the conducting rod at constant speed 5 cm / s, is equal to
(A) 0.16 N
(B) 0.12 N
(C) 0.08 N
(D) 0.06 N
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At t=0, when the magnetic field is switched on, the conducting rod is moved to the left at constant speed 5 cm / s by some external means. The rod moves remaining perpendicular to the rails.
Following situation of the question, the magnitude of the force required at the same instant t=2 s to move the conducting rod at constant speed 5 cm / s, is equal to
(A) 0.16 N
(B) 0.12 N
(C) 0.08 N
(D) 0.06 N
📌 PHYSICS WALLAH OTHER CHANNELS :
📌 PHYSICS WALLAH SOCIAL MEDIA PROFILES :
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