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Draw a circuit diagram to show how 3 bul...

Draw a circuit diagram to show how 3 bulbs can be lit from a battery so that 2 bulbs are controlled by the same switch while the third bulb has its own switch.

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LAKHMIR SINGH & MANJIT KAUR-ELECTRICITY -Exercise
  1. If the amount of electric charge passing through a conductor in 10 min...

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  2. A student made an electric circuit shown here to measure the current t...

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  3. Draw a circuit diagram to show how 3 bulbs can be lit from a battery s...

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  4. An electric heater is connected to the 230V mains supply. A current of...

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  5. How many electrons are flowing per second past a point in a circuit in...

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  6. Name the law which relates the current in a conductor to the potential...

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  7. What do you mean by electrical resistance ? How does it arise ? Give i...

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  8. Name the physical quantity whose unti is ''ohm''.

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  9. The substance having infinitely high electrical resistance is called:

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  10. Keeping the resistance constant, the potential difference applied acro...

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  11. State the factors on which the strength of electric current flowing in...

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  12. Which has less electrical resistance: a thin wire or a thick wire (of ...

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  13. Keeping the resistance constant, the potential difference applied acro...

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  14. A potential difference of 20 volts is applied across the ends of a res...

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  15. A resistance of 20 ohms has a current of 2 amperes flowing in it. What...

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  16. A current of 5 amperes flows through a wire whose ends are at a potent...

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  17. Fill in the following blank with a suitable word: Ohm's law states a...

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  18. Distinguish between good conductors, resistors and insulators. Name tw...

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  19. Which of the following are conductors and which are insulators? Sul...

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  20. What is Ohm's law? Explain how it is used to define the unit of resist...

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