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What is meant by a battery ? How will yo...

What is meant by a battery ? How will you arrange two cells to make a battery ? Explain with the help of a diagram. Mark the terminals (+ and -) of both the cells.

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LAKHMIR SINGH & MANJIT KAUR-Electric Current And its Effects-EXERCISE
  1. What is meant by the heating effect of current ? Name two appliances w...

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  2. Explain why, the current that makes the heater element very hot, only ...

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  3. What is meant by a battery ? How will you arrange two cells to make a ...

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  4. Name any five electrical appliances in which the heating effect of cur...

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  5. When the current is switched on through a wire, a compass needle kept ...

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  6. At the time of short circuit, the current in the circuit :

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  7. The filament of an electric bulb is made of a thin wire of :

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  8. The 'element' of an electric iron is made of

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  9. When electric current is passed through the filament of a bulb, it giv...

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  10. An electric fuse works on the :

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  11. The most suitable material for making the core of an electromagnet is ...

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  12. Circuit Breaker Device which can be used in place of fuse in domestic ...

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  13. Nichrome wire is used in

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  14. In a filament-type bulb, a lot of electric energy is wasted in the for...

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  15. Explain how sound is produced by your school bell ?

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  16. Which of the following characteristic is not suitable for a fuse wire?

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  17. An MCB which cuts off the electricity supply in case of short-circuiti...

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  18. The magnetic effect of electric current was discovered by

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  19. Which of the following does not work on the heating effect of current ...

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  20. State whether the following statements are true or false : A compac...

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