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Question-1
Which of the following substance is used for making temporary magnets ?

(A) Steel	(B) Copper
(C) Soft iron	(D) Aluminium

Question-2
Magnetite is the natural ore of which of the following material ?

(A) Iron	(B) Magnesium
(C) Manganese	(D) Aluminium

Question-3
Area of magnetic influence formed by the grouping of atoms is called:

(A) Electric domain	(B) Magnetic domain
(C) Nuclear domain	(D) All of these

Question-4
Name the area in ancient Greece where large deposite of lodestone were found ?

(A) Mazidonia	(B) Magnesia
(C) Manchester	(D) Mali

Question-5
The metal which is not used for the making of artifical magnets ?

(A) Steel	(B) Cobalt
(C) Nickel	(D) Aluminium

Question-6
What happens on heating a magnet ?

(A) Loose its magnetism	(B) Decrease its magnetism
(C) Increase its magnetism	(D) No noticable change

Question-7
In which direction does a freely suspended magnet align when it comes to rest ?

(A) South-west	(B) North east
(C) South east	(D) North south

Question-8
For lifting heavy cargo iron containers which type of magnet is used ?

(A) Single touch magnet	(B) Double touch magnet
(C) Induced magnet	(D) Electro magnet

Question-9
The magnetic strength of an electromagnet depends upon:

(A) The material of bar kept inside the coil	(B) The value of current flowing through the coil
(C) The number of turns in the coil	(D) All of these

Question-10
From the following magnets which one is the largest natural magnet ?

(A) Bar magnet	(B) lodestone
(C) Earth	(D) Horse shoe magnet

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Std 6

ICSE/ISC

Practice in Related Chapters
Magnetism
Work and Energy
Measurement
Simple Machines
Force and Pressure
Physics and its Importance