A cup of tea with a temp. of 80°C is put on a table in a 20°C room. What happens to thermal energy and molecular motion of the tea when it is left on the table? *

How would you place two electrons on a sphere of radius r so that the electrostatic potential energy is minimized. how would you place three electrons to solve the same problem.

The junction rule describes the conservation of which quantity? note that this rule applies only to circuits that are in a steady state.

Ideal meters problem. what internal resistance is ideal for a voltmeter? what internal resistance is ideal for an ammeter?