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प्रश्न
Which effect of current is utilised in an electric light bulb?
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उत्तर
The heating effect of current is utilised in an electric bulb.
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संबंधित प्रश्न
Fill in the folloing blank with suitable words:
Current is measured in ............... using an ............... placed in ............... in a circuit.
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How many electrons are flowing per second past a point in a circuit in which there is a current of 5 amp?
Which type of circuit, series or parallel, is preferred while connecting a large number of bulbs:
(b) for lighting inside the rooms of the hotel?
Name two effects produced by electric current.
A wire of uniform thickness with a resistance of 27Ω is cut into three equal pieces and they are joined in parallel. Find the equivalent resistance of the parallel combination.
The following table shows the current in Amperes and potential differences in Volts.
- Find the average resistance.
- What will be the nature of the graph between the current and potential difference? (Do not draw a graph.)
- Which law will the graph prove? Explain the law.
| V (volts) | I (amp) |
| 4 | 9 |
| 5 | 11.25 |
| 6 | 13.5 |
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A bulb is connected to a battery of p.d. 4 V and internal resistance 2.5 Ω . A steady current of 0.5 A flows through the circuit. Calculate:
The total energy supplied by the battery in 10 minutes
True or False – If False give the correct answer
The representation of the electric current is A
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The flow of electric charge per unit time is called potential difference.
A current of 2A passing through the conductor produces 80 J of heat in 10 seconds. The resistance of the conductor is ______.
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Electrons in a conductor move from:
The direction of Direct Current (DC) is characterized as:
A switch in an electric circuit is used to:
