Which of the following safety devices provides a weak link in a circuit that will melt if it received too much current, thus breaking the circuit and stopping the flow of electricity?
a. circuit breaker
b. fuse
c. gfci
d. insulation

Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix.b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds.c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer.d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.

Give an example in which the electrical energy changes to light energy

The amount of potential energy possessed by an elevated object is equal to