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10 questions
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
When the switch is on the circuit from the positive to negative terminal is complete
True
False
Which of these following cannot be harmed by electric current
Plastic
Rubber
A & B
All of the above
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
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
When the current goes off the coil generally loses its magnetism. Such coils are called
When an electric current flows through the wire it gets heated it is known as the heater
True
False
Electromagnets could be used in particular devices
True
False
The coil of a wire is known as element
True
False
Which of the following cannot be harmed by current
None of the below
Plastic
Rubber
All of the above
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