A capacitor can be made from two sheets of aluminum foil separated by a sheet of waxed paper. If the sheets of aluminum are 0.26O m by 0.220 m and the waxed paper, of slightly larger dimensions, is of thickness 0.0500 mm and dielectric constant K = 2.50, what is the capacitance of the capacitor? 4.675 nF

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**Capacitor Construction and Capacitance Calculation**

A capacitor can be made from two sheets of aluminum foil separated by a sheet of waxed paper. Given the following specifications:

- Dimensions of aluminum sheets: 0.260 m by 0.220 m
- Thickness of waxed paper: 0.0500 mm (converted to 0.000050 m for calculation)
- Dielectric constant (\( \kappa \)): 2.50

**Problem:**

Calculate the capacitance of the capacitor.

**Solution:**

To find the capacitance (\( C \)), use the formula:
\[ C = \frac{{\kappa \cdot \varepsilon_0 \cdot A}}{d} \]

Where:
- \( \kappa \) is the dielectric constant,
- \( \varepsilon_0 \) is the permittivity of free space (\(8.854 \times 10^{-12} \, \text{F/m}\)),
- \( A \) is the area of one of the aluminum sheets (\(0.260 \, \text{m} \times 0.220 \, \text{m}\)),
- \( d \) is the separation distance, which is the thickness of the waxed paper (0.000050 m).

The computed capacitance is:

\[ 4.675 \, \text{nF} \]
Transcribed Image Text:**Capacitor Construction and Capacitance Calculation** A capacitor can be made from two sheets of aluminum foil separated by a sheet of waxed paper. Given the following specifications: - Dimensions of aluminum sheets: 0.260 m by 0.220 m - Thickness of waxed paper: 0.0500 mm (converted to 0.000050 m for calculation) - Dielectric constant (\( \kappa \)): 2.50 **Problem:** Calculate the capacitance of the capacitor. **Solution:** To find the capacitance (\( C \)), use the formula: \[ C = \frac{{\kappa \cdot \varepsilon_0 \cdot A}}{d} \] Where: - \( \kappa \) is the dielectric constant, - \( \varepsilon_0 \) is the permittivity of free space (\(8.854 \times 10^{-12} \, \text{F/m}\)), - \( A \) is the area of one of the aluminum sheets (\(0.260 \, \text{m} \times 0.220 \, \text{m}\)), - \( d \) is the separation distance, which is the thickness of the waxed paper (0.000050 m). The computed capacitance is: \[ 4.675 \, \text{nF} \]
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