Concentric metallic hollow spheres of radii and hold charges and respectively. Given that surface charge densities of the concentric spheres are equal, the potential difference is:
Concentric metallic hollow spheres of radii and hold charges and respectively. Given that surface charge densities of the concentric spheres are equal, the potential difference is:
Option 1 - <p><span class="mathml" contenteditable="false"> <math> <mfrac> <mrow> <mrow> <mn>3</mn> <msub> <mrow> <mrow> <mi>Q</mi> </mrow> </mrow> <mrow> <mrow> <mn>2</mn> </mrow> </mrow> </msub> </mrow> </mrow> <mrow> <mrow> <mn>4</mn> <mi>π</mi> <msub> <mrow> <mrow> <mo>∈</mo> </mrow> </mrow> <mrow> <mrow> <mn>0</mn> </mrow> </mrow> </msub> <mi>R</mi> </mrow> </mrow> </mfrac> </math> </span></p>
Option 2 - <p><span class="mathml" contenteditable="false"> <math> <mfrac> <mrow> <mrow> <msub> <mrow> <mrow> <mi mathvariant="normal">Q</mi> </mrow> </mrow> <mrow> <mrow> <mn>2</mn> </mrow> </mrow> </msub> </mrow> </mrow> <mrow> <mrow> <mn>4</mn> <mi>π</mi> <msub> <mrow> <mrow> <mo>∈</mo> </mrow> </mrow> <mrow> <mrow> <mn>0</mn> </mrow> </mrow> </msub> <mi mathvariant="normal">R</mi> </mrow> </mrow> </mfrac> </math> </span></p>
Option 3 - <p><span class="mathml" contenteditable="false"> <math> <mfrac> <mrow> <mrow> <mn>3</mn> <msub> <mrow> <mrow> <mi>Q</mi> </mrow> </mrow> <mrow> <mrow> <mn>1</mn> </mrow> </mrow> </msub> </mrow> </mrow> <mrow> <mrow> <mn>16</mn> <mi>π</mi> <msub> <mrow> <mrow> <mo>∈</mo> </mrow> </mrow> <mrow> <mrow> <mn>0</mn> </mrow> </mrow> </msub> <mi>R</mi> </mrow> </mrow> </mfrac> </math> </span></p>
Option 4 - <p><span class="mathml" contenteditable="false"> <math> <mfrac> <mrow> <mrow> <mn>3</mn> <msub> <mrow> <mrow> <mi>Q</mi> </mrow> </mrow> <mrow> <mrow> <mn>1</mn> </mrow> </mrow> </msub> </mrow> </mrow> <mrow> <mrow> <mn>4</mn> <mi>π</mi> <msub> <mrow> <mrow> <mo>∈</mo> </mrow> </mrow> <mrow> <mrow> <mn>0</mn> </mrow> </mrow> </msub> <mi>R</mi> </mrow> </mrow> </mfrac> </math> </span></p>
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Correct Option - 3
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Physics Electrostatic Potential and Capacitance 2025
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