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WorksheetsElectric Current and its Effects
Total questions: 17
Worksheet time: 8mins
Fill in the blank:
______________ assigns a Standard Mark on products, called ISI Mark.
Bureau of Indian Standards
Bureau of International Standards
Bureau of Industrial Standards
Bureau of Quality Standards
Who was the first person to notice the deflection of compass needle everytime the current was passed through a wire kept nearby?
Thomas Edison
Albert Einstein
Hans Christian Oersted
Michael Faraday
Which of the following is not an effect of electric current?
Heating Effect of electric current
Colour Changing Effect of electric current
Magnetic Effect of electric current
What is the full form of MCB?
Miniature Circuit Binder
Malfunction Correcting Box
Miniature Current Breaker
Miniature Circuit Breaker
Fill in the Blanks:
A Fuse Wire has _______ electrical resistance and _______ melting point.
high, low
low, low
low, high
high, high
Fill in the blanks:
In the symbol of electric cell, the ______ line represents the positive terminal and the thicker, _________ line represents negative.
shorter, longer
longer, shorter
short, shorter
long, longer
This symbol represents which electric circuit component?
transistor
battery
nothing
wire
The coil of wire found in appliances such as room heater, electric cooking heater is called ________.
element
heat coil
red coil
hot coil
Fill in the blank:
CFLs and fluorescent tubes contain _________.
H2SO4
carbon vapour
mercury vapour
nitrogen oxide
Which of the following consumes the least amount of electricity to produce a given intensity of light?
Incandescent electric bulb
LED bulb
CFL
Which of the following makes use of magnetic effect of electric current?
Fridge Magnet
Compass
Electric Bell
What is the wire marked as (a) made up of?
copper
tungsten
nichrome
nickel
True or False:
A fuse can be replaced by any piece of wire.
False
True
This circuit can be used to make which of the following?
Torch light
Handheld Fan
Both (a) and (b)
None of these
What is this?
Battery Connecter
Cell Holder
Battery Holder
Cell Joiner
Which bulb would glow first?
A
B
C
All of the bulbs together
How was the quiz? (This is a poll. There is no correct answer.)
Easy
Not that easy
Hard
