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An electrical appliance having a resista...

An electrical appliance having a resistance of 200 `Omega ` is operated at 200 V. Calculate the energy consumed by the appliance in 5 minutes
in kWh.

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To solve the problem of calculating the energy consumed by an electrical appliance with a resistance of 200 ohms operating at 200 volts over a period of 5 minutes, we can follow these steps: ### Step 1: Calculate the Power The power (P) consumed by an electrical appliance can be calculated using the formula: \[ P = \frac{V^2}{R} \] where: ...
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ICSE-CURRENT ELECTRICITY-EXERCISE-8(C) NUMERICALS
  1. An electric press is rated 750 W, 230 V'. Calculate the electrical ene...

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  2. An electrical appliance having a resistance of 200 Omega is operated ...

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  3. An electrical appliance having a resistance of 200 Omega is operated ...

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  4. A bulb rated 12 V, 24 W operates on a 12 volt battery for 20 minutes. ...

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  5. A bulb rated 12 V, 24 W operates on a 12 volt battery for 20 minutes. ...

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  6. A current of 0.2 A flows through a wire whose ends are at a potential ...

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  7. A current of 0.2 A flows through a wire whose ends are at a potential ...

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  8. What is the resistance, under normal working conditions, of an electri...

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  9. Two bulbs are rated 60 W, 220 V' and '60 W, 110 V respectively. Calcul...

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  10. An electric bulb is rated 250 W, 230 V'. Calculate: the energy con...

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  11. An electric bulb is rated 250 W, 230 V'. Calculate: the time in wh...

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  12. Three heaters each rated *250 W, 100 V are connected in parallel to a ...

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  13. Three heaters each rated *250 W, 100 V are connected in parallel to a ...

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  14. Three heaters each rated *250 W, 100 V are connected in parallel to a ...

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  15. A bulb is connected to a battery of p.d. 4 V and internal resistance 2...

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  16. A bulb is connected to a battery of p.d. 4 V and internal resistance 2...

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  17. A bulb is connected to a battery of p.d. 4 V and internal resistance 2...

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  18. Two resistors A and B of resistance 4 Omega and 6 Omega respectively...

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  19. Two resistors A and B of resistance 4 Omega and 6 Omega respectively...

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  20. A battery of e.m.f. 15 V and internal resistance 2 Omega is connecte...

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