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How many electrone flow per second through as electric bulb rated 220V,100W?

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How many electrons per second flow through a filament of a 120 V and 60 W electric bulb ?

How many electrons flow through the filament of 220 V and 100 W electric lamp per second. Given, electronic charge = 1.6 xx 10^(-19)C .

A room heater is rated 500 W, 220V . (a) Find the resistance of its coil. (b) If the supply voltage drops to 200 V , what will be the power consumed? ( c) If an electric bulb rated 100 W, 220 V is connected in series with this heater, what will be the power consumed by the heater and by the bulb when the supply is at 220 V ?

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How many electrons flow through the filament of a 120V and 60W electric lamp per second? Given e=1.6xx10^(-19)C .

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The rating of an electric bulb is 220 V-100 W. if a rated voltage is applied then how many electrons will pass through the filament in one second ?

(a) A 220V-100W bulb is connected to 110V source. Calculate the power consumed by the blub. (b) Calculate the following for a 100W - 200V bulb (i) Resistance of the filament of bulb (ii) Current through bulb when it is connected to 200V line (iii) Power consumed when bulb is connected to 100V line (c) An electric bulb rated 100W -200V is used in a circuit having 400V supply. what resistance R must be put in series with bulb so that bulb delivers 100W ? (d) Repeat the previous problem, if bulb delivers 25W . (e) Two bulbs, 50W-220V, 100W-200V are connected in series across a 220V supply. find the power consumed by each bulb.

SL ARORA-HEATING EFFECT OF CURRENT-All Questions
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  2. There are two bulbs marked (a) 220V, 160W (b) 220V, 40W. Which has hig...

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  3. How many electrone flow per second through as electric bulb rated 220V...

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  4. What voltage drop is there across 1kW electric heater, whose resistanc...

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  5. An electric current of 2.0A passes through a wire of resistance 25Omeg...

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  6. An ammeter reads a current of 30A when it is connected across the term...

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  7. A coil of resistance 100Omega is connected across a battery of emf 6.0...

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  8. A 100W and a 500W bulbs are joined in series and connected to the main...

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  9. Two bulbs are market 220V, 100W and 220V,50W respectively. They are co...

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  10. Two electric lamps are rated as 220V. 40 W and 220V,60W. Find the heat...

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  11. In a house having 220V line, the following appliances are working : (i...

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  12. How many 60W bulbs may be safely used on 220V line using a 5A fuse?

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  13. An electric heater consists of 10m long nichrome wire of 2.5xx10^(-6)m...

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  14. The resistances of 20Omega are connected to a source of emf. Calculate...

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  15. An electric motor operating on a 30V supply draws a current of 10A and...

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  16. A line having a total resistance of 0.2Omega delivers 10kW at 220V to ...

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  17. A motor operating on 120V V draws a current of 2 A. if the heat is dev...

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  18. A small electric motor is rated 1/8H.P. and is running at 230V supply....

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  19. A 500W electric heater is designed to work with a 200 V line. If the v...

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  20. Three equal resistors connected in series across a source of emf toget...

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