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दो प्लेटो के बीच विभवांतर `10^5V` है और उनके बीच की दूरी `4xx10^(-3)m` है इन प्लेटो के बीच स्थित एक इलेक्ट्रॉन (आवेश `1.6xx10^(-19)C)` पर बल है
A. `10^5N`
B. `4xx10^3N`
C. `1.6xx10^(-19)N`
D. `4xx10^(-12)N`

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प्रति एकांक आवेश पर क्रियाशील बल, अर्थात क्षेत्र की तीव्रता `E=v/d`, अतः एक इलेक्ट्रॉन पर क्रियाशील बल = `v/dxx` इलेक्ट्रॉन पर आवेश = `10^5/(4xx10^(-3))xx1.6xx10^(-19)N`

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