Problems questions for test 1

This is a set of problems related to the material for the first test. For each, select the answer you think is correct, and then hit the "Check Answer" button to see whether your answer is the right one. A calculation of some kind is usually required.

• A - Net force on a charge.
• B - Field from three charges.
• C - Potential from three charges.
• D - Field from two charged spheres.
• E - A charge on a string.
• F - Current in a circuit.
• G - Power dissipated in a resistor.
• H - Potential difference across a resistor.

Created by Andrew Duffy, Boston University Physics Department.

Last update June 26, 1998