DC Transmission Line II (3 of 4)
Force due to potential – dielectric energy
Force due to potential – dielectric energy
Dielectric Energy – from page 17, Table I
The energy w in joules from capacitance C in farads and potential e in volts
My belief is that the force is the derivative of w with respect to s (in cm) However, to be consistent with e remaining constant while C changes, the source of e in the circuit must do work. So once again I wing it:
Find C in terms of s. Use the capacitance of circuit from above
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Now take the derivative with respect to s
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Substituting into the Force equation from above:
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Convert Newton-meters (joules) per cm to Newtons and then Newtons to ounces
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The energy w in joules from capacitance C in farads and potential e in volts
My belief is that the force is the derivative of w with respect to s (in cm) However, to be consistent with e remaining constant while C changes, the source of e in the circuit must do work. So once again I wing it:

Find C in terms of s. Use the capacitance of circuit from above
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Now take the derivative with respect to s
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Substituting into the Force equation from above:
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Convert Newton-meters (joules) per cm to Newtons and then Newtons to ounces
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