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संबंधित प्रश्न
Tell the odd one out. Give proper explanation.
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.
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 closed electric circuit.
______ 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?
Draw the circuit diagram for the following series connection
Draw a circuit diagram of an electric circuit containing a cell, a key, an ammeter, a resistor of 2 Ω in series with a combination of two resistors (4 Ω each) in parallel and a voltmeter across the parallel combination. Will the potential difference across the 2 Ω resistor be the same as that across the parallel combination of 4 Ω resistors? Give reason.
Choose the statement which is not correct in the case of an electric fuse.
Boojho has a cell and a single piece of connecting wire. Without cutting the wire in two, will he be able to make the bulb glow? Explain with the help of a circuit diagram.
