The two plates of a capacitor are given charges +-Q. The capacitoris then disconnected from the charging device so that the chargeson the plates can’t change, and the capacitor is immersed in a tank ofoil. Does the electric field between the plates increase, decrease, or staythe same? Explain your reasoning. How can this field be measured?

The two plates of a capacitor are given charges +-Q. The capacitoris then disconnected from the charging device so that the chargeson the plates can’t change, and the capacitor is immersed in a tank ofoil. Does the electric field between the plates increase, decrease, or staythe same? Explain your reasoning. How can this field be measured?

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Question

The two plates of a capacitor are given charges +-Q. The capacitor
is then disconnected from the charging device so that the charges
on the plates can’t change, and the capacitor is immersed in a tank of
oil. Does the electric field between the plates increase, decrease, or stay
the same? Explain your reasoning. How can this field be measured?

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