Select the always true statements from the following list Electron-volt: unit of
ID: 1375002 • Letter: S
Question
Select the always true statements from the following list
Electron-volt: unit of energy.
Parallel plate capacitor: The plates of a parallel-plate capacitor are maintained with constant voltage by a battery as they are pulled apart. During this process, the amount of charge on the plates must increase.
Equipotential surface: along this surface charges have no net electrostatic force.
Electric potential: Two identical aluminum objects are insulated from their surroundings. If object A has a net positive charge and object B is grounded, then object B is at a higher potential.
Dielectric materials: Three reasons for adding a dielectric material between the plates of a capacitor are
(1) Dielectrics do not break down (allowing electric charge to flow) as readily as air, so a higher voltage can be applied without charge passing across the gap.(2) A dielectric allows the plates to be placed closer together without touching thus allowing an increased capacitance because the plate separation is less. (3) If a dielectric fills the space between the two conductors, it increases the capacitance
Electron-volt: unit of energy.
Parallel plate capacitor: The plates of a parallel-plate capacitor are maintained with constant voltage by a battery as they are pulled apart. During this process, the amount of charge on the plates must increase.
Equipotential surface: along this surface charges have no net electrostatic force.
Electric potential: Two identical aluminum objects are insulated from their surroundings. If object A has a net positive charge and object B is grounded, then object B is at a higher potential.
Dielectric materials: Three reasons for adding a dielectric material between the plates of a capacitor are
(1) Dielectrics do not break down (allowing electric charge to flow) as readily as air, so a higher voltage can be applied without charge passing across the gap.(2) A dielectric allows the plates to be placed closer together without touching thus allowing an increased capacitance because the plate separation is less. (3) If a dielectric fills the space between the two conductors, it increases the capacitance
Explanation / Answer
These are true:
1. Electron volt is a unit of energy.
2. Equipotential Surface...
3. (2) A dielectric allows the plates to be placed closer together...
4. (3) If a dielectric fills the space between two conductors, it increases the capacitance.
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