In a circular parallel plate capacitor radius of each plate is 5cm and they are separated by a distance of 2mm calculate the capacitance and the energy stored, when it is charged by connecting the battery of 200v
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29
Capacitance of the capacitor,
C = (Fsilen knot × area) ÷ distance between the plates
C = (8.854×10^-12×3.14×0.05×0.05) ÷ 0.002
C = 34.76pF
Now, energy
E = ½CV²
E = ½×34.76×10^-12×200×200
E = 34.76 × 2 × 10^-8
E = 6.95×10^-7 J
Answered by
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The capacitance and the energy stored in the capacitor is and .
Explanation:
It is given that,
Radius of each plate, r = 5 cm = 0.05 m
Separation between plates, d = 2 mm = 0.002 m
If C is the capacitance of the parallel plate capacitor. We know that the formula of capacitance of a capacitor is given by :
Voltage of the battery, V = 200 V
The energy stored in the capacitor is given by :
So, the capacitance and the energy stored in the capacitor is and . Hence, this is the required solution.
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Capacitance
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