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An electric current of 5 A flows through...

An electric current of 5 A flows through a wire of resistance 41.8 `ohm` Find the time to obtain heat of 3000 cal.

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CHETANA PUBLICATION-EFFECTS OF ELECTRIC CURRENT-EXAMPLE
  1. An electric current of 5 A flows through a wire of resistance 41.8 ohm...

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  2. Find the odd word out Fuse wire,insulator,rubber gloves,generator

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  3. Find the odd word out Voltmeter,Ammeter,Thermometer,Galvanometer

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  4. Find the odd word out Loudspeaker,Microphone,Electric motor,Magnet

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  5. Find the odd word out Armature coil,Burshes,Magnet direct current

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  6. Find the odd word out Refrigerator, Electric fan ,Mixture, Electric...

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  7. Find the odd word out Fuse wire,Nuetral wire,Earthing wire,Live wir...

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  8. Find the odd one out : Electric heater,Electric bulb,Electric fuse,Ele...

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  9. Find the odd word out Electric bell,Electric fuse,solenoid,Mircroph...

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  10. What is heating effect of an electric current?

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  11. What are the appliances that work on the principle of heating effect o...

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  12. What is solenoid?

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  13. What is electric motor?

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  14. What do you understand by the term"Direct current(D.C.)?

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  15. What is alternating currect(A.C)?

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  16. Name two types of electric current?

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  17. Name the types of electric generator.

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  18. Name the three types of wires or calbes used in domestic electric circ...

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  19. Which electrical appliance converts electrical energy into mechanical ...

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  20. What Is the frequency of alternating current (A.C.) ?

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  21. What do you mean by induced currect?

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