State True (T) or False F) against each of the following statements:
1. An electric bell has an electromagnet.
3. An electromagnet does not attract a piece of iron.
*. When the electric current flowing through a fuse exceeds a certain limit, the fuse wire melts and breaks.
5. Electrical fuse is based on the magnetic effect of current
6. All electrical circuits always contain at least one dry cel.
7. Excessive overloading of an electrical circuit for a long period may lead to fire.
8. Greater is the current in the wire, hotter it will be
2. To make a battery of two cells, the negative-terminal of one cell is connected to the negative terminal
of the other cell.
9. Circuit diagram is a drawing of an electrical circuit with standard symbols.
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Answer:
T
F
T
T
F
F
F
T
F
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