In this lesson, we will learn how to relate the capacitance of and voltage across parallel-plate capacitors to the charge and energy stored in them.
Q1:
Which of the following formulas correctly relates the energy 𝐸 stored by a parallel plate capacitor to the charge 𝑄 stored by the capacitor and the capacitance 𝐶 of the capacitor?
Q2:
Which of the following formulas correctly relates the energy 𝐸 stored by a parallel plate capacitor to the charge 𝑄 stored by the capacitor and the potential difference 𝑉 across the plates?
Q3:
A very large capacitor has plates with areas of 1.5 m2 that are 1.2 mm apart. What would the permittivity of the space between the plates need to be for the capacitor to store 2.5 mC of charge and 150 J of electrical potential energy?
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