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प्रश्न
A device that is used to break an electric circuit is called ______.
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उत्तर
A device that is used to break an electric circuit is called switch.
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?
Tell the odd one out. Give a proper explanation.
Find the odd one out and give its explanation.
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?
Study the electric circuit below. Which of the following switches should be closed so that only two bulbs will light up
Fuse is
Assertion: In an open circuit, the current passes from one terminal of the electric cell to another.
Reason: Generally, the metal disc of a cell acts as a positive terminal.
Choose the statement which is not correct in the case of an electric fuse.
In an electric circuit a fuse is a ______ ______ to prevent possible fire.
In which of the following circuits A, B and C given in the following figure, the cell will be used up very rapidly?
