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Why Are We Looking At Alternative Source Of Energy
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What Are The Disadvantages Of Fossil Fuels?
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If You Could Use Any Source Of Energy For Heating Your Food
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What Is A Good Fuel?
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What Is A Good Source Of Energy?
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If The Key In The Arrangement As Shown Below Is Taken Out
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A Copper Wire Is Held Between The Poles Of A Magnet.
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Four Metal Rods Are Placed, In Turn, Inside A Coil Of Copper Wire.
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A Ship Is To Reach A Place 8° South Of West.
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Assertion : In An AC Generator Slip-rings Type Of Commutator Is Used. Reason : Slip-rings Are Full Rings With Which The Ends Of Coil Are In Contact.
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Assertion : To Avoid Risk Of Electrical Shock, Reason : Earthing Saves Us From Electrical Shocks.
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Assertion : An Electric Current Produced In A Closed Circuit By Changing Reason : The Direction Of Induced Current Is Given By
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A Coil P Is Connected To A Torch Bulb And Placed Parallel To Another Coil Q As Shown In The Figure Below
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A Small Valued Resistance XY Is Connected Across The End Of A Coil
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With The Help Of A Labelled Circuit Diagram Illustrate The Pattern Of Field Lines Of The Magnetic Field
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Why Does A Magnetic Compass Needle Pointing North And South In The Absence Of A Nearby Magnet
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Why Is An Alternating Current Considered To Be Advantageous Over Direct Current For Long Range Transmission Of Electric Energy?
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The Diagram Shows A Coil Of Wire Wound On A Soft Iron Core Forming An Electromagnet.
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In Which Wire In An AC Housing Circuit, Is The Switch Introduced To Operate The Light?
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What Name Is Given To The Device Which Automatically Cut-off The Electrical Supply During Short Circuiting In Household Wiring?
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Choose The Incorrect Statement.
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A Uniform Magnetic Field Exists In The Plane Of Paper Pointing From Left To Right As Shown In Figure
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Which Of The Following Is The Properties Of Magnetic Field Lines?
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