Calculate the power provided by a 240 volt, 30 ampere common household dryer.
A) 80w
B) 220w
C) 840w
D) 7200w

The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?

Awalk up the phase change graph worksheet

A6.0-μf air-filled capacitor is connected across a 100-v voltage source. after the source fully charges the capacitor, the capacitor is immersed in transformer oil (of dielectric constant 4.5). how much additional charge flows from the voltage source, which remained connected during the process?