IGCSE Cambridge Secondary Grade 8 Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in


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Question-1 Who believed that the magnet pointed to the outer sphere of the heavens?

(A) Petrus de Peregrinus	(B)William Gilbert
(C)Oestered	(D)Joseph Henry

Question-2 If you bring a steel paper clip which is not magnetized towards either pole of a magnet:

(A) You will feel the pull of the magnetic force becomes stronger as the paper clip gets closer to the pole	(B)You will feel the pull of the magnetic force becomes weaker as the paper clip gets closer to the pole
(C)you will feel the pull of the magnetic force becomes stronger as the paper clip gets away from the pole	(D)You will feel the pull of the magnetic force becomes weaker as the paper clip gets away from the pole

Question-3 Stainless steel is made from:

(A) Steel, chromium & nickel	(B)Steel, cobalt & nickel
(C)Steel, aluminium & cobalt	(D)Steel, aluminium & nickel

Question-4 When a material that can show magnetic properties such as a steel paper clip is attracted to the end of a magnet, it also becomes a magnet by a process called:

(A) Magnetic induction	(B)Thermal induction
(C)Solar magnetism	(D)Metallic induction

Question-5 Which of the following can let the force of magnetism pass through it?

(A) Paper	(B)Water
(C)Steel	(D)Both 1 & 2

Question-6 The place in the bar magnet where the magnetic force is strongest is called:

(A) Poles	(B)Domain
(C)Centre	(D)Terminals

Question-7 When the driver of a car puts the key in the dash board and twists it, the ignition switch is turned on using an:

(A) Electromagnetic relay	(B)Reed relay
(C)Insulator	(D)Domain

Question-8 The glass container in which the reeds in a reed switch is enclosed is filled with:

(A) Water	(B)Inert gas
(C)Oxygen	(D)Hydrogen

Question-9 The black stone found in the ancient country of magnesia, which had the power to draw pieces of iron to them became known as:

(A) Lode stone	(B)Magnacal
(C)Red stone	(D)Blood stone

Question-10 The reeds in a reed switch are made of:

(A) Soft iron	(B)Pig iron
(C)Magnetite	(D)Alnico

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Cambridge Secondary Grade 8

IGCSE

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