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

Question-1
The device which is used to control the current in an electric circuit is

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

Question-2
Electrical energy converted into heat energy is known as

(A) Hydroelectric effect	(B) Chemical effect
(C) Lightning effect	(D) Heating effect

Question-3
Pick the odd one.

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

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
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-6
Earth wire has ______ colour.

(A) Green	(B) Yellow
(C) Red	(D) Black

Question-7
Insulator : Wood :: Conductor :

(A) Pure water	(B) Mica
(C) Human body	(D) Glass

Question-8
Electrical energy is generally measured in

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

Question-9
Which unit could be used to measure current?

(A) Ampere	(B) Volt
(C) Coulomb	(D) Watt

Question-10
Which of the following instrument use heating effect of current?

(A) Pump	(B) Electric Iron
(C) Fan	(D) Generator

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Std 7

ICSE/ISC

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