Physics questions and answers

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.

1,281.

A short bar magnet is placed in earth's magnetic field, as shown above, which of the points II and III are/is possible positions of a neutral point?

A.

I only

B.

II only

C.

III only

D.

I and II

E.

I,II and III

View answer & explanation

Correct answer is C

No explanation has been provided for this answer.

1,282.

A force varying linearly with the distance acts on a body as shown above, The work done on the body by the force during the first 10m of motion is

A.

100J

B.

150J

C.

200J

D.

300J

E.

600J

View answer & explanation

Correct answer is A

No explanation has been provided for this answer.

1,283.

What is the resistance of the circuit shown above

A.

4Ω

B.

11Ω

C.

19/5Ω

D.

17/4Ω

E.

8Ω

View answer & explanation

Correct answer is E

from the diagram, 2ohms and 2ohms are parallel, then total resistance = 1ohms

1ohms, 3ohms and the 4ohms are in series

then total resistance = 1 + 3 + 4 = 8ohms.

1,284.

The diagram above shows three circuits, the internal resistances of the batteries are negligible. which of the currents is the largest

A.

I1

B.

I2

C.

I3

D.

I4

E.

I5

View answer & explanation

Correct answer is E

No explanation has been provided for this answer.

1,285.

Which of the following figures gives the correct resultant R of two vectors P and Q?

A.

I

B.

II

C.

III

D.

IV

E.

V

View answer & explanation

Correct answer is D

No explanation has been provided for this answer.


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