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नीचे दिये गये प्रश्न के लिए अनुच्छेद

A thin non-conducting uniformly charged ring (Radius R) has charge Q and a conducting uncharged sphere of same radius R is placed on the axis of ring as shown in the figure. The distance between centre of sphere and centre of ring is r (r > R). (K=14πε0)

एक पतली अ-चालक एकसमान रूप से आवेशित वलय (R त्रिज्या) पर आवेश Q है तथा समान त्रिज्या R के एक चालक अनावेशित गोले को चित्रानुसार वलय के अक्ष पर रखा गया है। गोले के केन्द्र तथा वलय के केन्द्र के मध्य दूरी r (r > R) है (K=14πε0)


Q. The potential of sphere is

प्रश्न - गोले का विभव है


A
KQr2+R2
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B
KQr
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C
KQR
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D
Cannot be determined

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Solution

The correct option is A KQr2+R2
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