11. which of the following will happen if two unlike poles placed near each other
A.The lines of force will curve away from each other
B.The lines of force will the connect the poles
C. The lines of force will cancel each ther
D. Nothing will happen
12. which of the following scientist discovered than an electric current effects the action of a magnetic needle
A. Ampere
B. Oersted
C.Farady
D.Gilbert
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Answer:
11. B. The lines of force will the connect the poles
-unlike poles(S pole & N pole)will attract each other,so it means the answer is letter B
12. B.Oersted
-promise maniwala kayo(✿◠‿◠)
Explanation:
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