Which of the following circuits will stop producing light if one bulb burns out? *

Circuit 1- two light bulbs one battery
Circuit 2- three light bulbs 1 battery
Circuit 3- two light bulbs one battery
Circuit 4- three light bulbs 1 battery

Moon effect. some people believe that the moon controls their activities. if the moon moves from being directly on the opposite side of earth from you to being directly overhead, by what percentage does (a) the moon's gravitational pull on you increase and (b) your weight (as measured on a scale) decrease? assume that the earth–moon (center-to-center) distance is 3.82 × 10^8 m, earth's radius is 6.37 × 10^6 m, moon's mass is 7.36 × 10^22 kg, and earth's mass is 5.98 × 10^24 kg.

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

In a system, when potential energy decreases, then entropy also decreases. true false