हिंदी

Draw a neat labelled diagram to show the magnetic effect of electric current.

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प्रश्न

Draw a neat labelled diagram to show the magnetic effect of electric current.

आकृति
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उत्तर

Current flowing in clockwise direction-

Current flowing in anticlockwise direction-

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अध्याय 4: Effects of electric current - Answer the Following

संबंधित प्रश्न

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Name one device which works on the magnetic effect of current.


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A coil is connected to a galvanometer. When the N-pole of magnet is pushed into the coil, the galvanometer deflected to the right. What deflection, if any, is observed when:  

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 the S-pole is inserted?


How should the electric lamps in a building be connected so that the switching on or off in a room has no effect on other lamps in the same building?


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(i) Magnetic poles exist in pairs.

(ii) Global warming is a desirable aspect of the intensified greenhouse effect.


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Magnetic effect of current was discovered by ______.


Boojho made an electromagnet by winding 50 turns of wire over an iron screw. Paheli also made an electromagnet by winding 100 turns over a similar iron screw. Which electromagnet will attract more pins? Give reason.


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Using an electromagnet, you can make a working model of a railway signal as shown in figure.


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