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प्रश्न
When a circuit is open, _____ cannot pass through it.
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उत्तर
When a circuit is open, current cannot pass through it.
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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.
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 |
Nowadays MCBs are used in homes, for stop the current in the circuit which suddenly increases.
What is the use of earthing wire?
In which among the following circuits does the bulb glow?
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?
The wiring in a house consists of ______ circuits.
Instead of metal wires, a jute string can be used to make a circuit.
In the following arrangement shown in the following figure, the bulb will not glow if the ends A and B are connected with
Name the device which is used to measure the strength of the electric current in an electric circuit.
