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 components is NOT contained in a dry cell? A
carbon rod
paste of magnesium dioxide
paste of ammonium chloride
zinc case
copper rod
Correct answer is E
No explanation has been provided for this answer.
0.75\(\Omega\)
1.5\(\Omega\)
0.5\(\Omega\)
1.0\(\Omega\)
0.6\(\Omega\)
Correct answer is A
E = 1.5v
rT = \(\frac{2 \times 2}{2 + 2}\)
= 1
e.m.f. = I(R + r)
1.5 = I(1 + 1)
I = 0.75\(\Omega\)
The resistance of a wire depends on
the length of the wire
the diameter of the wire
the temperature of the wire
the resistivity of the wire
all of the above
Correct answer is E
No explanation has been provided for this answer.
The unit of quantity of electricity is called
the ampere
the volts
the coulomb
the ammeter
electromotive force
Correct answer is C
No explanation has been provided for this answer.
For a concave mirror to form a teal diminished image, the object must be placed
behind the mirror
between the mirror and its focus
between the focus and the centre of curvature
at the centre of curvature
at a distance greater than the radius of curvature
Correct answer is E
No explanation has been provided for this answer.