Homework Statement
This is my question not from homework or anything.
If a capacitor has stored a charge in a circuit and is discharging, and a resistor is attached to this circuit, what affect does this have on the discharge time?
If the resistor makes it harder for a current to flow, does...
Homework Statement
Near to the Earth's surface, a speck of dust with a charge equal to an electron experiences a uniform downward electric field of strength 100NC-1 and a uniform gravitational field of strength 9.8Nkg-1.
a)draw a diagram showing the electric field pattern and the sign of...