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प्रश्न
_____ has a thin metallic filament that melts and breaks the connection when the circuit is overheated.
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उत्तर
Electric fuse has a thin metallic filament that melts and breaks the connection when the circuit is overheated.
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संबंधित प्रश्न
Draw circuit symbols for
a battery of three cells
Draw the labelled diagram of an electric circuit comprising of a cell, a resistance, an ammeter, a voltmeter and a closed switch (or closed plug key). Which of the two has a large resistance : an ammeter or a voltmeter?
Draw a circuit diagram to show how 3 bulbs can be lit from a battery so that 2 bulbs are controlled by the same switch the third bulb has its own switch.
Write the condition required for a circuit to be a closed circuit.
Match the column ‘A’ with column ‘B’.
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Column ‘A’
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Column ‘B’ |
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(1) Eka - boron
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(a) Germanium
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(2) Eka - Aluminium
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(b) Scandium
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(3) Eka - Silicon
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(c) Gallium |
Flow of electricity through a closed circuit is _____.
In the circuit shown, which switches (L,M or N) must be closed to light up the bulb?
State whether true or false. If false, correct the statement.
Ammeter is connected in parallel in any electric circuit.
When a circuit is open, _____ cannot pass through it.
In the above circuit, if the current reading in the ammeter A is 2A, what would be the value of R1?
