A parallel plate capacitor of capacitance 1 μF is charged to a potential difference of 20 V. The distance betw…

Question

A parallel plate capacitor of capacitance $1 \, \mu\text{F}$ is charged to a potential difference of $20 \, \text{V}$ . The distance between plates is $1 \, \mu\text{m}$ . The energy density between the plates of the capacitor is:

A
$2 \times 10^{-4} \, \text{J/m}^3$
B
$1.8 \times 10^5 \, \text{J/m}^3$
C
$1.8 \times 10^3 \, \text{J/m}^3$
D
$2 \times 10^2 \, \text{J/m}^3$

Accepted Answer

C. $$1.8 	imes 10^3 \, 	ext{J/m}^3$$

Answer

A. $$2 	imes 10^{-4} \, 	ext{J/m}^3$$

Answer

B. $$1.8 	imes 10^5 \, 	ext{J/m}^3$$

Answer

D. $$2 	imes 10^2 \, 	ext{J/m}^3$$

Answer & step-by-step solution

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