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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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Explain With The Help Of A Labelled Diagram, The Distribution Of Magnetic Fields Due To A Current Through A Circular Loop.
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Describe The Working Of An AC Generator With The Help Of A Labelled Circuit Diagram
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Describe The Whole Working Of The Following Circuit.
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Explain, Why Electric Power Transmitted At High Voltages And Low Currents To Distant Places?
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Differentiate Between AC And DC. Name One Source Of Each.
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(i) What Is Meant By Electromagnetic Induction? (ii) Describe Three Different Ways To Produce Induced Current In A Coil Of Wire.
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Explain The Meanings Of Words "electromagnetic" And "induction" In The Term Electromagnetic Induction.
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(i) Draw The Magnetic Field Lines Through (ii) State Whether An α-particle Will Experience Any Force In A Magnetic Field
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(i) Describe An Activity To Obtain Magnetic Field (ii) State The Rule Uses To Find (iii) How Does Magnitude Of Magnetic Field
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What Is An Electric Fuse? What Is Its Role In Electric Circuit?
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The Figure Shows The Split Ring Commutator And The Two Carbon Brushes In Their Respective Positions.
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The Mirror In The Figure Below Is Being Moved Downwards Through The Magnetic Field, So As To Produce Induced Current
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State The Purpose For Which The Following Rules Are Used
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A Copper Coil Is Connected To A Galvanometer, What Would Happen, If A Bar Magnet Is
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A Circular Metallic Loop Is Kept Above The Wire AB As Shown Below.
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