Answer:
Faraday's Law
Explanation:
Faraday’s Law of Induction explains how an electric current produces a magnetic field and also, how a changing magnetic field generates an electric current in a conductor.
While Faraday's law explains how magnitude of the EMF is produced, Lenz's law explains the direction that current will flow. The lenz's law states that the direction is always in a way which it will oppose the change in flux which produced it. Lenz's law simply explains that any magnetic field produced by an induced current will be in the opposite direction to the change in the original field.
In this lab, they are clearly making use of Faraday's law because they are inducing a current due to changes in magnetic flux. This situation involves Faraday's law because in Faraday's law, the induced magnetic field inside a loop will always move to keep the magnetic flux in the loop constant.
Answer:
C
Explanation:
When the can is floating below the surface of the lake the principle of buoyancy applies. The water will be exerting force in the upward direction equals to the weight if the can.
The first option bc of the big bang theory.
Answer:
Explanation:
Mass of Earth, 
Mass of Moon, 
The distance between Earth and the Moon is, 
We need to find the force of gravitational attraction between the Earth and the moon. The force of gravity is given by :
So, the required force is 
.
