Physics-
General
Easy

Question

Fig shows a coil bent with all edges of length 1 m and carrying a current of 1A. There exists in space a uniform magnetic field of 2 T in the positively y-direction. Find the torque on the loop

  1. 4 stack i with rightwards arrow on top N minus m    
  2. 2 stack j with rightwards arrow on top N minus m    
  3. 4 stack j with rightwards arrow on top N minus m    
  4. 2 stack i with rightwards arrow on top N minus m    

The correct answer is: 4 stack j with rightwards arrow on top N minus m

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