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प्रश्न
In an electric circuit a fuse is a _________ _______ to prevent possible fire.
उत्तर
In an electric circuit, a fuse is a safety device to prevent a possible fire.
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संबंधित प्रश्न
How does the short circuit form? What is its effect?
In an electric circuit, a battery and a bulb have been connected and the battery consists of two cells of equal potential difference. If the bulb is not glowing, then which tests will you perform in order to find out the reason for the bulb not glowing?
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 |
Draw a neat diagram showing a open electric circuit.
Find the odd one out and give its explanation.
Increasing the current passing through the wire decreases the magnetic field intensity.
Draw the circuit diagram for the series connection.
Higher Order Question
A student made a circuit by using an electric cell, a switch, a torch bulb (fitted in the bulb holder), and copper connecting wires. When he turned on the switch, the torch bulb did not glow at all. The student checked the circuit and found that all the wire connections were tight.
- What could be the possible reason for the torch bulb not glowing even when the circuit appears to be complete?
In which of the following circuits A, B, and C gave in Fig. 12.4, the cell will be used up very rapidly?
Assertion: People struck by lightning receive a severe electrical shock.
Reason: Lightning carries very high voltage.
