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प्रश्न
If the rating of an electric bulb is 100W – 230V, Explain its meaning.
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उत्तर
If an electric bulb is rated as 100W – 230V, it means that the bulb is lighted on a 230V supply, it consumes 100W electric power (i.e., 100J of energy per sec.).
संबंधित प्रश्न
State two factors on which the electrical energy consumed by an electrical appliance depends.
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(iii) In which of the above two devices, a thicker connecting wire of lead is required?
The resistance of filament of an electric heater is 500 Ω It is operated at 200V for 1 hour daily. Calculate the current drawn by the heater and the energy consumed in kWh, by the heater in a month of 30 days.
1 kWh = ____________
