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प्रश्न
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उत्तर
We know that, R = `"V"^2/"P"`
Thus, voltage remaining constant, resistance is inversely proportional to the power of the appliance; which means resistance of 60 W (220V) bulb is greater.
Hence, the given statement is false.
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संबंधित प्रश्न
Which of the following equation shows the correct relationship between electrical unit?
1A = 1C/s or 1c= 1A/s
Why should the resistance of:
a voltmeter be very large?
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
What should I choose ___________________
b. for getting protection from electric current.
c. to measure the current in the circuit?
The power of an electric device is a product of ______ and ______.
A current of 1 A is drawn by a filament of an electric bulb. Number of electrons passing through a cross section of the filament in 16 seconds would be roughly
A current of 2A passing through the conductor produces 80 J of heat in 10 seconds. The resistance of the conductor is ______.
