Post Utme Physics Past Questions and Answers

Question 751:

If two parallel conductors carry currents flowing in the same direction, the connected with ____________

A. React each other
B. Repel each other
C. Both move in the same direction
D. Both have no effect on each other

Question 752:

A body of mass 200g and specific heat capacity 04g-1k-1 cools from 3700 to 3100.
Calculate the Calculate the quantity of heart released by the body.

A. 4700J
B. 1200j
C. 480J
D. 202J

Question 753:

Which of the following statement about sound waves is not correct?
sound waves can be

A. Reflected
B. Refracted
C. Diffracted
D. Polarized

Question 754:

A dry platic comb used in combing hair was found to attract pieces of paper and dust, the most probable explanation for this phenomenon is that the comb
has been given.

A. Magnetization by induction
B. Electric charges by induction
C. Electric charges by conduction
D. Electric charge by friction

Question 755:

A bulb marked 240v, 40w is used for 30 minutes. Calculate the heat generated ____________

A. 320J
B. 400J
C. 10800J
D. 72000J