Physic

posted by sahine

What is the net charge on a capacitor in a circuit ? Is it ever possible for the charge on one conductor to be different than the charge on the other conductor? Explain.

1. Damon

zero
The plus charges on one side exactly balance the - charges on the other side.

If you for example had more plus charges on one plate then they would attract negative charges to the opposite plate and would cause a flow across. Moreover the entire capacitor would then have a net charge and would be attracted or repelled by anything charged around it.
In an old fashioned vacuum tube we had this situation for example between the cathode and the anode, but then the charges flowed across the space between and created a current even at a steady voltage, so not really a capacitor.

Similar Questions

1. physics

A neutral conductor completely encloses a hole inside of it. You observe the outer surface of this conductor carries a charge of -12 uC. (a) Can you conclude that there is a charge inside the hole?
2. physics

Conductor "A" has a charge of +6 and conductor "B" has a charge of -8. If the 2 objects are brought together and then separated, what will be the chage on each object?
3. Science

1. What is the direction of charge flow when charging a capacitor?
4. Physics!! Help!!!!!

. A neutral conducting sphere contains a spherical cavity. A point charge +q is located at the |center of the cavity. A. What is the total surface charge on the interior surface of the conductor?
5. PHYSICS

Determining how the charges distribute on the surface of a conductor is, in general, a very difficult problem. We know that if we charge a conductor the charges go to the surface and redistribute so that the electric field in the conductor …
6. Physic II

What is the net charge on a capacitor in a circuit ?
7. Physics (electricity and Magnetism)

A long straight and thin wire has a charge Q per unit length. It is also carrying a current I. A point charge is moving with a velocity v parallel to the conductor, at a distance d from it. Find the velocity v, supposing a correct …
8. Physics

Charge A has a charge of +2 C. Charge B has a charge of - 3 C and is located 1 meter to the right of A. Charge C is located 1 m to the right of charge Band has a charge of -1C. If a fourth charge (Charge D) is placed 4 m to the right …
9. physics

Do electrons (as a charge) really flow in a conductor or only energy is transfered through waves?
10. Capacitor

I have a question regarding a pair of conducting plates. My question states: "if this device operates as a capacitor, how is it able to store electrostatic potential energy?

More Similar Questions