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प्रश्न
Find out the energy conversion that takes place in the following.
Speaker ______.
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उत्तर
Speaker Electric energy to Sound energy.
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संबंधित प्रश्न
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
- the resistance of the bulb and
- the energy dissipated in the bulb in 10 minutes.
List the names of three electrical gadgets used in your house. Write their power, voltage rating and approximate time for which each one is used in a day. Hence find the electrical energy consumed by each in a month of 30 days.
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