Answer:
Switches in mains circuits should always be included in the live wire so that when the switch is open no electrical energy can reach an appliance. If the switch is included in the neutral wire, electrical energy can still enter an appliance, and could possibly cause an electric shock (Figure 7.10).
Explanation:
Answer:
it goes up until we help it to but the moment we stop support it gets affected by gravity and goes back
Explanation:
From my new perspective, the new intensity of the
light source has decreased by a factor of four.
Answer:
gas, liquid, solid
sound cannot travel in space