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प्रश्न
Explain the following:
Open circuit
उत्तर
Open Circuit: In the circuit, if the switch is off or the wire is cut then flow of current in circuit stops and we say that its an open circuit.
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संबंधित प्रश्न
The accompanying figure shows some electrical appliances connected in a circuit in a house. Answer the following questions.
- By which method are the appliances connected?
- What must be the potential difference across individual appliances?
- Will the current passing through each appliance be the same? Justify your answer.
- Why are the domestic appliances connected in this way?
- If the T.V. stops working, will the other appliances also stop working? Explain your answer.
Explain the following:
Closed circuit
How much is the potential difference between live and neutral wires?
______ is the device used to close or open an electric circuit.
Rahul wants to make an electric circuit. He has a bulb, two wires, a safety pin, and a piece of copper. He does not have any electric cell or battery. Suddenly he gets some idea. He uses lemon instead of a battery and makes a circuit. Will the bulb glow?
What is the role of the earth wire in domestic circuits?
Explain about domestic electric circuits. (circuit diagram not required)
In an electric circuit, the current starts from ______.
Draw the symbols of the following circuit components.
switch in off position
