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संबंधित प्रश्न
At what frequency is AC supplied to residential houses?
Calculate the cost of operating a heater of 500 W for 20 hours at the rate of Rs 3.90 per unit.
Name two gases which are filled in filament type electric light bulbs.
What is the current I in the given circuit (Fig. )?
What is the current in the circuit shown (Fig. )
Express watt hour and kilowatt hour in joule.
State the reason why, in a three pin plug, the earth pin is longer and thicker than the other two.
An electric bulb is rated 240V-60W and is working at 100% efficiency.
(i) Calculate the resistance of bulb.
(ii) (a) Draw the circuit diagram.
(b) What is the rate of conversion of energy in each bulb?
(c) Total power used by the bulbs.
With reference to the diagram shown below calculate:
(i) The equivalent resistance between P and Q.
(ii) The reading of ammeter.
(iii) The electrical power between P and Q.
