ICSE/ISC Std 7 Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in

Question-1
All wires used in electric circuits should be covered with

(A) A colouring material	(B) An insulating material
(C) Conducting material	(D) both (a) and (c)

Question-2
Which of the following characteristic is not suitable for a fuse wire?

(A) thin and short	(B) thick and short
(C) low melting point	(D) higher resistance than rest of wiring

Question-3
Electric current is the flow of

(A) Protons	(B) Electrons
(C) Neutrons	(D) Mesons

Question-4
Which property is used to develop electromagnets?

(A) Chemical effect of current	(B) Heating effect of current
(C) Magnetic effect of current	(D) Hydro electric effect of current

Question-5
An example of conductor is

(A) tap water	(B) pure water
(C) dry hair	(D) mica

Question-6
The process electromagnetic induction, can be explained by

(A) Albert Einstein	(B) Issac Newton
(C) Michael Faraday	(D) Edison

Question-7
Electrical energy is generally measured in

(A) Wh	(B) J/s
(C) J	(D) kWh

Question-8
The device which is used to control the current in an electric circuit is

(A) Electric Fuse	(B) Plugs
(C) Socket	(D) Switch

Question-9
In a cell,

(A) chemical energy changes into electrical energy	(B) mechanical energy changes into electrical energy
(C) electrical energy changes into physical energy	(D) electrical energy changes into chemical energy

Question-10
Pick the odd one.

(A) Wood	(B) Connecting wire
(C) Plastic	(D) Rubber

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Std 7

ICSE/ISC

Practice in Related Chapters
Reflection of Light
Light and Shadows
Heat
Sound
Measurement
Motion
Electricity