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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
Redraw the circuit of question 1, putting in an ammeter to measure the current through the resistors and a voltmeter to measure the potential difference across the 12 Ω resistors. What would be the readings in the ammeter and the voltmeter?
How does the short circuit form? What is its effect?
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 |
Answer the following question.
With the help of a suitable circuit diagram prove that the reciprocal of the equivalent resistance of a group of resistances joined in parallel is equal to the sum of the reciprocals of the individual resistances.
Draw a neat diagram showing a closed electric circuit.
Explain the following:
Closed circuit
The switch is used to close or open an electric circuit.
Draw the circuit diagram for the following series connection
Fuse is
Match the following
| 1. | Insulator | a. | Coulomb |
| 2. | Conductor | b. | Electric circuit |
| 3. | Closed path | c. | Copper |
| 4. | Electric charge | d. | Rubber |
