A 0.500 cm diameter plastic sphere, used in a static electricity demonstration, has a uniformly distributed 40.0 pC (pico Coulombs) charge on its surface. What is the potential near its surface?

If two large parallel metal plates are 1.5 cm apart and carry equal but opposite charges on their facing surfaces.  The negative plate is grounded an its potential is taken to be zero. If the potential hallway between then plates +5.0 Volts, what is the electric field in this region?

Two parallel plates are charged to produce a potential difference of [x] V. If the separation between the plates is [y] m, calculate the magnitude of the electric field in the space between the plates

What is the strength of the electric field between two parallel conducting plates separated by 1.00 cm and having a potential difference (voltage) between them of   1 . 50 × 10 4 V?

If within a circuit the resistance is to equal [Resistance] Ohms and the current to [Current] Amperes, what is the potential difference, or voltage drop?

A service station charges a battery using a current of [Current] A for [Time] h. How much charge passes through the battery?

Determine the magnitude of the force on an electron (Q = 1.6×10-19 Coulomb) traveling at a speed of [speed] m/s perpendicularly a magnetic field of strength [field] T.

You have a  [R] Ohm resistor and a  [S] Ohm resistor. What is the equivalent resistance when they are connected in parallel?

Adding favorable language to influence survey responses is an example of:

Drawing names randomly from a complete list of customers is an example of: