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JEE Mains · Physics · STD 12 - 2. Electric potential and capacitance

ત્રિજ્યા A, B અને C ધરાવતા ત્રણ સમકેન્દ્રિય વાહક ગોળીય કવચ અનુક્રમે a, b અને c છે (c> b> a) અને તેઓ અનુક્રમે \(q_1, q_2\) અને \(q_3\) ભાર વડે ભારિત થયેલા છે. ગોળીય કવચ A, B અને C ના સ્થિતિમાન અનુક્રમે __________ છે.

  1. A \(\frac{1}{4 \pi \epsilon_0}\left(\frac{q_1+q_2+q_3}{a}\right), \frac{1}{4 \pi \epsilon_0}\left(\frac{q_1+q_2+q_3}{b}\right), \frac{1}{4 \pi \epsilon_0}\left(\frac{q_1+q_2+q_3}{c}\right)\)
  2. B \(\frac{1}{4 \pi \epsilon_0}\left(\frac{q_1+q_2+q_3}{a}\right), \frac{1}{4 \pi \epsilon_0}\left(\frac{q_1+q_2}{b}+\frac{q_3}{c}\right), \frac{1}{4 \pi \epsilon_0}\left(\frac{q_1}{a}+\frac{q_2}{b}+\frac{q_3}{c}\right)\)
  3. C \(\frac{1}{4 \pi \epsilon_0}\left(\frac{q_1}{a}+\frac{q_2}{b}+\frac{q_3}{c}\right), \frac{1}{4 \pi \epsilon_0}\left(\frac{q_1+q_2}{b}+\frac{q_3}{c}\right), \frac{1}{4 \pi \epsilon_0}\left(\frac{q_1+q_2+q_3}{c}\right)\)
  4. D \(\frac{1}{4 \pi \epsilon_0}\left(\frac{q_1}{a}+\frac{q_2}{b}+\frac{q_3}{c}\right), \frac{1}{4 \pi \epsilon_0}\left(\frac{q_1+q_2+q_3}{b}\right), \frac{1}{4 \pi \epsilon_0}\left(\frac{q_1+q_2+q_3}{c}\right)\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(\frac{1}{4 \pi \epsilon_0}\left(\frac{q_1}{a}+\frac{q_2}{b}+\frac{q_3}{c}\right), \frac{1}{4 \pi \epsilon_0}\left(\frac{q_1+q_2}{b}+\frac{q_3}{c}\right), \frac{1}{4 \pi \epsilon_0}\left(\frac{q_1+q_2+q_3}{c}\right)\)

Step-by-step Solution

Detailed explanation

\(V _{ A }=\frac{ Kq _1}{ a }+\frac{ Kq _2}{b}+\frac{ Kq _3}{ c }=\frac{1}{4 \pi \varepsilon_0}\left(\frac{ q _1}{ a }+\frac{ q _2}{b}+\frac{ q _3}{ c }\right)\)…
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