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- 1. Multiple Choice
If a positive terminal of one cell is connected to the negative terminal of the next cell it is known as
Electric current
Fuse
Battery
Element
- 2. Multiple Choice
Which of these following cannot be harmed by electric current
plastic
Rubber
A & B
All of the above
- 3. Multiple Choice
When the switch is on the circuit from the positive to negative terminal is complete
True
False
- 4. Multiple Choice
Wires made from some special materials melt quickly and break when a large electric current passes through it.these wires are used to make
Fuses
Electric fuses
A&B
Electromagnet
- 5. Multiple Choice
·Who was the first person to notice the deflection of compass needle everytime the current passes through the wire.
Hans Christian Andersen
Hans Christian oersted
Hans Christian mandorson
None of the above
- 6. Multiple Choice
When an electric current flows through the wire it gets heated it is known as the heater
True
False
- 7. Multiple Choice
Electromagnets could be used in particular devices
TRUE
FALSE
- 8. Multiple Choice
Which of the following cannot be harmed by current
·
Plastic
Rubber
All of the above
none of the above
- 9. Multiple Choice
A _________ is a safety device which prevents damages to electrical circuits and possible fires.
Battery
Fuse
Wire
none of the above
- 10. Multiple Choice
The amount of heat produced in a wire depends on
Material
Length
Thickness
All of these
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