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In a parallel plate capaacitor with air ...

In a parallel plate capaacitor with air between the plates, each plate has an area of `6xx10^(-3) m^2` and the distance between the plates is 3mm. Calculate the capacitance of the capacitor. If this capacitor is connected to a 100V supply, what is the charge on each plate of the capacitor?

Text Solution

Verified by Experts

Capacitance of a parallel plate capacitor is represented as
`C=(epsilon_(0)KA)/(d)`
`C=(8.854xx10^(-12)xx6xx10^(-3))/(3xx10^(-3))` (K = 1 for air)
`C=17.7xx10^(-12)F=18pF` (Approx.)
Charge on each plate of capacitor can be calculated as
`q=CV=18xx10^(-12)xx100`
`q=1.8xx10^(-9)C`
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