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.
mechanical energy into electrical energy
electrical energy into kinetic energy
potential energy into kinetic energy
kinetic energy into potential energy
Correct answer is A
No explanation has been provided for this answer.
The principle of operation of an induction coil is based on
Ohm's law
Amphere's law
Faraday's law
Columbs law
Correct answer is C
No explanation has been provided for this answer.
i and ii only
ii and iii only
i and iii only
i, ii, and iii
Correct answer is D
No explanation has been provided for this answer.
N4.80
N48.00
N480.00
N4800.00
Correct answer is A
Energy(kWhr) = 200 x 10-3 x 20 x 24
= 96kwhr
1 kwhr cost 5 kobo ; 96 kwhr will cost
5 x 96 = 480 kobo
= N4.80
\(\frac{2}{1}\)R
\(\frac{1}{2}\)R
\(\frac{3}{2}\)R
5R
Correct answer is B
IR = \(\frac{2}{3}\) I(R + r)
r = \(\frac{1}{2}\)R