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Methods of making magnets and demagnetization - Jamb Physics Past Questions and Answers

Jamb Physics Past Questions

Jamb Past Questions and Answers on Methods of making magnets and demagnetization

Question 1:

JAMB 2019

If the time of flight is 96seconds, calculate the horizontal range through the point of projection.

A. 84400m
B. 69000m
C. 61440m
D. 24000m

View Answer & Explanation

Question 2:

JAMB 1979

Which of the following statements is correct? The magnetized state of an iron bar can be destroyed completely by

A. Heating the bar to a high temperature
B. Breaking the bar
C. Connecting opposite poles with a small piece of iron
D. Placing the bar inside a strong magnetic field
E. None of the above

View Answer & Explanation

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