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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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20 votes1 answer439 views4 Years Ago
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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20 votes1 answer216 views4 Years Ago
Electric Field (E) And Current Density (J) Have Relation
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20 votes1 answer392 views4 Years Ago
In The Circuit Shown Below, Ammeter & Voltmeter Readings Are 3A & 6V. The Value Of Resistance R Will Be
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20 votes1 answer214 views4 Years Ago
By Increasing The Temperature, The Specific Resistance Of A Conductor And A Semi Conductor
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20 votes1 answer205 views4 Years Ago
Electric Field And Current Density Have The Relation
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0 votes0 answer197 viewsHarshit Shrivastav 4 Years Ago
In A Potentiometer Experiment, The Balancing Length With A Cell Is 240 Cm. On Shunting The Cell With A Resistance Of 2 ?, The Balancing Lengt
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0 votes0 answer184 viewsHarshit Shrivastav 4 Years Ago
The Resistance Of A Bulb Filament Is 100 ? At A Temperature Of 100°C. If Its Temperature Coefficient Of Resistance Be 0.005 Per °C, Its Resis
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0 votes0 answer155 viewsHarshit Shrivastav 4 Years Ago
In Balanced Metre Bridge, The Resistance Of Bridge Wire Is 0.1 ? / Cm. Unknown Resistance ‘X’ Is Connected In Left Gap And 6 ? In Right Gap,
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0 votes0 answer162 viewsHarshit Shrivastav 4 Years Ago
If A Wire Is Stretched To Make It 0.1% Longer, Its Resistance Will :
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0 votes0 answer629 viewsHarshit Shrivastav 4 Years Ago
A Filament Bulb (500 W, 100 V) Is To Be Used In A 230 V Main Supply. When A Resistance R Is Connected In Series, It Works Perfectly And The
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0 votes0 answer127 views4 Years Ago
The Temperature Dependence Of Resistance Of Cu And Undoped So In The Temperature Range 300-400 K, Is
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