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Which one has a higher electrical resist...

Which one has a higher electrical resistance: a 100 watt bulb or a 60 watt bulb?

A

60 watt

B

100 watt

C

Same for both

D

None of these

Text Solution

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The correct Answer is:
A
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LAKHMIR SINGH & MANJIT KAUR-ELECTRICITY -Exercise
  1. The figure below shows a variable resistor in a dimmer switch. Ho...

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  2. State two factors on which the electrical energy consumed by an electr...

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  3. Which one has a higher electrical resistance: a 100 watt bulb or a 60 ...

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  4. COMMERCIAL UNIT OF ENERGY

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  5. An electric bulb is rated at 220V, 100W. What is its resistance?

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  6. What is the SI unit of (i) electric energy, and (ii) electric power?

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  7. Distinguish between kilowatt and kilowatt hour.

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  8. Name the physical quantity whose unit is watt.

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  9. What is the meaning of the symbol kWh? Which quantity does it represen...

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  10. If the potential difference between the end of a wire of mixed resista...

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  11. An electric lamp is labelled 12V, 36W. This indicates that it should b...

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  12. What current will be taken by a 920 W appliance if the supply voltage ...

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  13. Define watt. Write down an equation linking watts, volts and amperes.

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  14. Define watt-hour. How many joules are equal to 1 watt-hour?

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  15. How much energy is consumed when a current of 5 amperes flows through ...

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  16. An electric bulb is connected to a 220V power supply line. If the bulb...

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  17. In which of the following cases more electrical energy is consumed per...

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  18. An electric kettle rated at 220V, 2.2kW, works for 3 hours. Find the e...

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  19. In a house two 60W electric bulbs are lighted for 4 hours, and three 1...

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  20. A bulb is rated as 250V, 0.4A. Find its : (i) power and (ii) resistanc...

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