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प्रश्न
Name the device used these days in place of electric fuses in electrical circuits.
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उत्तर
Miniature circuit breaker (MCB) is used these days in place of electric fuses in electrical circuits.
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संबंधित प्रश्न
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?
Distinguish between a closed circuit and an open circuit, with the use of suitable labelled diagrams.
What do you understand by the open electric circuit?
Explain the following:
Open circuit
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?
When a circuit is open, _____ cannot pass through it.
A child has drawn the electric circuit to study Ohm’s law as shown in Figure. His teacher told that the circuit diagram needs correction. Study the circuit diagram and redraw it after making all corrections.
In an electric circuit, the current starts from ______.
In the following arrangement shown in the following figure, the bulb will not glow if the ends A and B are connected with
Paheli connected two bulbs to a cell as shown in the following figure.
She found that filament of bulb B is broken. Will the bulb A glow in this circuit? Give reason.
