JAMB Physics 2010 Objective — Question 40

Question 40 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2010 Objective paper, with the correct answer and a full explanation.

40. In the diagram above, if the south-poles of two magnets stroke a steel bar, the polarities at T and V will respectively be A. north and south B. south and north C. north and north D. south and north

A. north and southCorrect
B. south and north
C. north and north
D. south and north

Explanation

Both T and V will inherit opposite poles. If on one hand T inherits the north pole, on the other hand, the two magnets being used on the bar TUV are with north poles, the ends T and V will inherit south poles.

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