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Q. 43

Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 925

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Short Answer

A series circuit is built with a resistor and a parallel-plate capacitor withdiameter electrodes. Asource drives a peak current ofthrough the circuit. What is the spacing between the capacitor plates?

The spacing between capacitor plate is

See the step by step solution

Step by Step Solution

Step 1 : Given Information

We are given that resistance , diameter of parallel plate capacitor as.The voltageand frequencyof source is given . We are given that peak current equals to .We need to find spacing between capacitor plates.

Step 2: Simplify

We know that capacitance between parallel plate capacitor is given by the formula ,

Here is separation between plates. We need to find the value of , for that matter , we need to calculate capacitance ,

Now we need to find impedance,

Putting the value of impedance , we get

We get capacitance as,

So separation comes out to be

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