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An electric bulb is connected to 220 V supply. If current of 0.5 A flows through the bulb then what is the power of the bulb?
1kWh= ?
What will be the power consumed in a resistor of 10 Ω if it is connected across 20 V supply.
Which fuse is best if energy consumption is 2kW and supply voltage is 220 V.
Calculate the heat generated in the resistor of resistance 4 Ω connected across 20 V supply and current of 5 A flows through it for 1 seconds.
For an electric iron connected across 220 V supply, if rate of energy consumption is 840 W then what is the current?
According to Joules law of Heating the heat produced in a resistor is