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Consider A Copper Wire Of Length L, Cross-section Area A. It Has N Number Of Free Electrons Per Unit Volume
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Across A Metallic Conductor Of Non-uniform Cross Section A Constant Potential Difference Is Applied
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When 5V Potential Difference Is Applied Across A Wire Of Length 0.1 M, The Drift Speed Of Electrons Is
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Resistance Of Wire At 20° C Is
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The Current Flowing Through A Wire Depends On Time As
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Ohms Law Is Valid If
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Pick Out The Wrong Feature About Carbon Resistors
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Electric Field (E) And Current Density (J) Have Relation
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A Wire Of Certain Material Is Stretched Slowly By Ten Percent. Its New Resistance And Specific Resistance Becomes
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In The Circuit Shown Below, Ammeter & Voltmeter Readings Are 3A & 6V. The Value Of Resistance R Will Be
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By Increasing The Temperature, The Specific Resistance Of A Conductor And A Semi Conductor
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Which Of The Following Is A Vector Quantity
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Resistance Of A Wire At 20 Degree Celsius Is 20 Ohm & At 500 Degree Celsius Is 60 Ohm. At What Temperature Is Its Resistance 25 Ohm.
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Ohms Law Is Valid If
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Pick Out The Wrong Feature About Carbon Resistors
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Electric Field And Current Density Have The Relation
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