A parallel-plate capacitor is connected to a battery thatmaintains a constant po

Question

A parallel-plate capacitor is connected to a battery thatmaintains a constant potential difference V between theplates. If the plates of the capacitor are pulled farther apart, dothe following quantities: Increases, Decreases, Or RemainsThe Same? 1. The electric field between the plates. 2. The charge on the plates. 3. The capacitance. 4. The energy stored in the capacitor. A parallel-plate capacitor is connected to a battery thatmaintains a constant potential difference V between theplates. If the plates of the capacitor are pulled farther apart, dothe following quantities: Increases, Decreases, Or RemainsThe Same? 1. The electric field between the plates. 2. The charge on the plates. 3. The capacitance. 4. The energy stored in the capacitor. 1. The electric field between the plates. 2. The charge on the plates. 3. The capacitance. 4. The energy stored in the capacitor.

Explanation / Answer

A parallel-plate capacitor is connected to a battery thatmaintains a constant potential difference V between theplates. If the plates of the capacitor are pulled farther apart, dothe following quantities: Increases, Decreases, Or RemainsThe Same? 1. The electric field between the plates. Decreases, E= V/d ; d increases Egets smaller 2. The charge on the plates. Q=CVDecreases ( since C will decrease se below) 3. The capacitance. Decreases,   C=kA/d   dincreases C gets smaller 4. The energy stored in the capacitor.  Decreases, since   energy U= 0.5 CV2  capasitance decreases energy will also decrease. 1. The electric field between the plates. Decreases, E= V/d ; d increases Egets smaller 2. The charge on the plates. Q=CVDecreases ( since C will decrease se below) 3. The capacitance. Decreases,   C=kA/d   dincreases C gets smaller 4. The energy stored in the capacitor.  Decreases, since   energy U= 0.5 CV2  capasitance decreases energy will also decrease.

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