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.
On an a.c generator, which of the following does not apply?
field magnet
commutator
armature
slip rings
carbon brushes
Correct answer is B
No explanation has been provided for this answer.
10 ohms
1 ohms
zero
20 ohms
infinite
Correct answer is E
Capacitor has an infinite resistance to D.C.
In order to convert a galvanometer into an ammeter
a low resistance shunt is connected in parallel
a low resistance shunt is connected in series
a medium resistance shunt is connected in series
a high resistance shunt is connected in parallel
a high resistance shunt is connected in series
Correct answer is A
No explanation has been provided for this answer.
A magnet is moved through a coil of wire. The e.m.f. produced in the wire depends on
the number of turns in the coil
the strength of the magnet
the speed at which the magnet is moved
all of the above
none of the above
Correct answer is D
No explanation has been provided for this answer.
24k
55k
40k
26k
32k
Correct answer is A
Energy (kWhr) = 1 x 200 x 24 x 10-3
= 4.8kWhr
1 kWhr. cost 5k
4.8kwhr. will cost (5 x 4.8)k
= 24 kobo