Physics Questions and Answers
If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
Which of the following is not a conductor of electricity?
Human body
Glass
Silver
Earth
Copper
Correct answer is B
No explanation has been provided for this answer.
Calculate the current, I in the diagram shown above.
(Neglect the internal resistance of the cell)
4.0A
2.0A
1.0A
0.5A
0.1A
Correct answer is C
R = 2 + 2 = 4 Ω; 1/R = ¼ + ¼ = 2/4; R = 2Ω
∴ I = V/R = 2/2 = 1A
The function of the magnanese (IV) oxide in a leclanche cell is to
decrease the e.m.f. of the cell
prevent local action in the cell
prevent polarization in the cell
increase the density of the electrolyte
increase the resistance of the cell.
Correct answer is C
No explanation has been provided for this answer.
