Corona Discharge
Trending Questions
Q. Corona discharge is caused by
- Ionization of gas molecules due to dielectric breakdown
- High charge density causing high electric fields near a metal’s surface.
- Charges moving into the ionized air under the effect of this electric field.
- All of the above
Q. Corona discharge is caused by
- Ionization of gas molecules due to dielectric breakdown
- High charge density causing high electric fields near a metal’s surface.
- Charges moving into the ionized air under the effect of this electric field.
- All of the above
Q. Corona discharge is caused by
- Ionization of gas molecules due to dielectric breakdown
- High charge density causing high electric fields near a metal’s surface.
- Charges moving into the ionized air under the effect of this electric field.
- All of the above
Q. Statement 1: Charge density on a solid conductor is always uniform no matter what the shape.
Statement 2: Charges are always on the surface of a conductor and they repel each other so they always arrange to give uniform charge density.
Statement 2: Charges are always on the surface of a conductor and they repel each other so they always arrange to give uniform charge density.
- Statement 1 is true. Statement 2 is false
- Statement 1 is false. Statement 2 is true
- Both statements are true
- Both statements are false
Q. Which of these has the highest capacitance, assuming the spheres to be metallic and of same shape and size in all the cases?
- An isolated sphere
- An isolated charged sphere
- Two spheres placed at a separation of 2 m
- Two spheres placed at a separation fo 5 m.
Q. Statement 1: Charge density on a solid conductor is always uniform no matter what the shape.
Statement 2: Charges are always on the surface of a conductor and they repel each other so they always arrange to give uniform charge density.
Statement 2: Charges are always on the surface of a conductor and they repel each other so they always arrange to give uniform charge density.
- Statement 1 is true. Statement 2 is false
- Statement 1 is false. Statement 2 is true
- Both statements are true
- Both statements are false
Q. Statement 1: Charge density on a solid conductor is always uniform no matter what the shape.
Statement 2: Charges are always on the surface of a conductor and they repel each other so they always arrange to give uniform charge density.
Statement 2: Charges are always on the surface of a conductor and they repel each other so they always arrange to give uniform charge density.
- Statement 1 is true. Statement 2 is false
- Statement 1 is false. Statement 2 is true
- Both statements are true
- Both statements are false