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.
The acceleration of the system show above is
2ms-2
4ms-2
6ms-2
8ms-2
Correct answer is B
No explanation has been provided for this answer.
The value of T in the figure above is
10.0N
11.8N
20.0N
40.0N
Correct answer is D
No explanation has been provided for this answer.
P = Q + R
P = Q - R
P = R - Q
P + Q + R = O
Correct answer is A
Addition of vectors:
P = Q + R
25s
1/50s
1/100s
1/200s
Correct answer is C
No explanation has been provided for this answer.
0.8A
1.0A
1.6A
2.4A
Correct answer is D
\(E = I(R + r)\)
\(I = \frac{E}{R + r}\)
\(\frac{1}{R} = \frac{1}{12} + \frac{1}{6} = \frac{1}{4}\)
\(R = 4\Omega\)
\(I = \frac{12}{1 + 4} = \frac{12}{5}\)
= 2.4A