Question 4 30 A L 4 аа 40 см b... 8 La bacm 3 20 A...

Question

Question

Question 4 30 A L 4 аа 40 см b... 8 La bacm 3 20 A 65 20A A long straight wire carries a current of 30 A and a rect. angular

science physics

Answer 1

Answer #1

30A b va a a: 4cm b.8cm 2: 30cm 20A co C d 20A Here field on the side ad and be are equal and opposite so they cancels each

Answer 2

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