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Physics 1 Problem Solutions 205

# Physics 1 Problem Solutions 205 - Chapt 26 Capacitors and...

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Unformatted text preview: Chapt. 26 Capacitors and Capacitance 201 What is the capacitance C ∞ of the infinite ladder (i.e., what is the capacitance of the infinite ladder viewing A and B as the leads to capacitor plates)? As Yoda would say, HINT you want? If you draw a vertical line just to the right of leftmost rung, the capacitance of the ladder to the right of that line must be C ∞ also since the ladder is infinite. a) C ∞ = C parenleftBigg √ 5 − 1 2 parenrightBigg . b) C ∞ = C parenleftBigg √ 5 + 1 2 parenrightBigg . c) C ∞ = C parenleftBigg √ 3 + 1 2 parenrightBigg . d) C ∞ = C parenleftBigg √ 3 − 1 2 parenrightBigg . e) C ∞ = C 2 . 026 qmult 11000 3 5 1 tough thinking: classical electron radius fullmult Extra keywords: Uses electric field energy, and so is capacitor lecture problem. 13. ∗∗∗ People once tried to devise a semi-classical model of an electron in which the rest mass energy given by the Einstein equation E = mc 2 ( E for energy here) was entirely stored as electric...
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