Physics Past Questions, Answers, And Explanations - Physics

Physics Questions

Question 101:

JAMB 1979

An electrical circuit is connected up as shown above, which of the following is correct about the value of current flowing through the 1 ohm resistance?

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A 12/13A
B 13/12A
C 1/3A
D 3A
E 12/7A

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Question 102:

JAMB 1980

Which of the following statements are true of the law of universal gravitation?

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A Any two bodies attract each other with a force which is proportional to the difference of their masses
B Any two bodies attract each other with a force which is inversely proportional to the square of the distance between them
C Any two bodies attract each other with a force which is proportional to the product of their masses and inversely proportional to the square of the distance between them
D Any two bodies attract each other with a force which is proportional to the square of the distance between them
E Any two bodies attract each other with a force which is proportional to the sum of their masses

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Question 103:

JAMB 1980

Which of the following is true of an electrical charge?

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A Positive charge means deficit electrons
B Negative charge means excess of electrons
C Electric current means movement of electrons
D All of the above
E A and B only

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Question 104:

JAMB 1980

Which of the following statements are true in the structure of atoms?

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A The atoms of the differnt element differ only in the number of protons and electrons
B The num,ber of protons equals the number of electrons
C Atoms are constructed according to the plan of our solar system
D All of the above
E A and C only

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Question 105:

JAMB 1980

Which of the following are true of atom?

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A Atoms are indestructible
B All atoms of a pure substance, or elements are identical
C Atoms of different substance have different weights
D All of the above
E A and B only

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