electric current and magnetism - Category wise Question and Answer Practice Test with Solutions

electric current and magnetism PRACTICE TEST [9 - EXERCISES]

set 1

set 2

set 3

set 4

set 5

set 6

set 7

set 8

set 9

Question : 6

Fuse wire is made of

a) copper

b) aluminium

c) platinum

d) alloy of tin and lead

Answer: (b)

Question : 7 [UPPCS (Pre) 1993]

A fuse wire is characterized by

a) High resistance and low melting point

b) Low resistance and high melting point

c) Low resistance and low melting point

d) High resistance and high melting point

Answer: (a)

Question : 8

Match list I with list II and select the correct answer using the codes given below the lists

List I List II
A. Magnet with single pole 1. Resultant field is zero
B. Null points 2. Earth’s magnetic fields
C. Terrestrial magnetism 3. Does not exist
D. Artificial magnet 4. Horseshoe magnet
Select the correct answer using the codes given below the lists:

a) A – 3 ; B – 1 ; C – 2 ; D – 4

b) A – 3 ; B – 1 ; C – 2 ; D – 4

c) A – 4 ; B – 2 ; C – 3 ; D – 1

d) A – 2 ; B – 4 ; C – 1 ; D – 3

Answer: (b)

A → 3; B → 1; C → 2; D → 4

  1. Each magnet has N - S poles. Magnetic poles cannot be isolated.
  2. Null points are the points at which the field due to the magnet is completely neutralized by the horizontal component of the earth’s magnetic field.
  3. The branch of physics that deals with the study of the earth’s magnetic field are called terrestrial magnetism.
  4. Horseshoe magnet in an artificial magnet.

Question : 9

An electric bulb is filled with

a) oxygen and hydrogen

b) ammonia

c) hydrogen

d) nitrogen and argon

Answer: (d)

Question : 10 [UPPCS (Pre) 1992]

Which of the following option represents the consumption of power in ascending order?

a) Fan, television, electronic press, electronic kettle

b) Television, fan, electronic press, electronic kettle

c) Television, fan, electronic kettle, electronic press

d) Electronic press, electronic kettle, fan, television

Answer: (a)

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1655 electric current and magnetism based general science mcq set 1 question answer with explanation pdf
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