What does it mean by voltage being 'dropped' and how would you work this out?

Argon, neon, and xenon are examples of

Which of the following is a characteristic shared by both electron and light microscopes? a. they both employ the use of objective lenses. b. both microscopes require an internal camera to visualize the specimen. c. both microscopes have a resolving power of 0.01 nm. d. they both utilize white light to magnify the specimen.

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