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Question
Write True (T) or False (F) against the following statements in the given brackets:
1. Current flows through a circuit when it is open. ( )
2. Electric bell is based on the heating effect of current. ( )
3. An electric bell has an electromagnet. ( )
4. To make a battery of two cells, the negative terminal of one cell is connected to the negative terminal of the other cell. ( )
5. When the electric current through the fuse exceeds a certain limit, the fuse wire melts and breaks. ( )
6. The magnetic strength in a conductor decreases with the increase in current. ( )
1. Current flows through a circuit when it is open. ( )
2. Electric bell is based on the heating effect of current. ( )
3. An electric bell has an electromagnet. ( )
4. To make a battery of two cells, the negative terminal of one cell is connected to the negative terminal of the other cell. ( )
5. When the electric current through the fuse exceeds a certain limit, the fuse wire melts and breaks. ( )
6. The magnetic strength in a conductor decreases with the increase in current. ( )
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Solution
1. False
Current flows through a closed circuit.
2. False
The electric bell is based on the magnetic effect of current.
3. True
4. False
To make a battery with two cells, the negative terminal of one cell is connected to the positive terminal of the other.
5. True
6. False
The magnetic strength in a conductor increases with the increase in current.
Current flows through a closed circuit.
2. False
The electric bell is based on the magnetic effect of current.
3. True
4. False
To make a battery with two cells, the negative terminal of one cell is connected to the positive terminal of the other.
5. True
6. False
The magnetic strength in a conductor increases with the increase in current.
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