Physics-
General
Easy

Question

Three long straight and parallel wires carrying currents are arranged as shown in figure. The wire 'B' which carries a current of 5A is so placed that it experiences no force. The distance of wire ' B ' from A is then

  1. 9cm    
  2. 7cm    
  3. 5cm    
  4. 3cm    

The correct answer is: 9cm

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