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 : 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 |
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 »Answer: (b)
A → 3; B → 1; C → 2; D → 4
- Each magnet has N - S poles. Magnetic poles cannot be isolated.
- 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.
- The branch of physics that deals with the study of the earth’s magnetic field are called terrestrial magnetism.
- Horseshoe magnet in an artificial magnet.
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 »Answer: (a)
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