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- 1. Multiple Choice
What is the symbol for a cell?
- 2. Multiple Choice
Identify closed circuit.
- 3. Multiple Choice
A _________ is a safety device which prevents damages to electrical circuits and possible fires.
Battery
Fuse
Wire
- 4. Multiple Choice
Which one of the following is based on the heating effect of current?
Geyser
Immersion rod
Hair Dryer
All of these
- 5. Multiple Choice
The coil of wire contained in an electric heater is known as
Component
(b)
Element
Circuit
Spring
- 6. Multiple Choice
The amount of heat produced in a wire depends on
Material
Length
Thickness
All of these
- 7. Multiple Choice
Which mark is necessary on electric appliances?
AGMARK
ISI
FICCI
KSK
- 8. Multiple Choice
When an electric current flows through a wire, it behaves like a magnet.
True
False
- 9. Multiple Choice
Crane has a strong ………………….. attached to it
Electric circuit
Electromagnet
Electronic device
- 10. Multiple Choice
When an electric current flows through a copper wire AB as shown in Figure, the wire
deflects a magnetic needle placed near it
becomes red hot
gives electric shock
behaves like a fuse
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