Answer:
1. A time-varying electric field will produce a magnetic field.
2. A time-varying magnetic field will produce an electric field.
Explanation:
According to Maxwell a time-varying electric field will produce a magnetic field. Time varying electric field produces current (displacement current), therefore it produces a magnetic field.
According to Faraday, a time-varying magnetic field will produce an electric field because an electromagnetic field is induced in a conductor moving in a magnetic field.
Electric and magnetic fields can only be treated independently if they do not vary in time that is they are static.
Time-varying electric and magnetic fields can propagate through space even if there is no matter in their path.
Answer:
The gravitational force is very important to keep the universe functioning. The planets revolve around the Sun because of the force of gravity Galaxies exist also due to gravitational force. ... Stars exist due to gravitational force. It is a binding force that makes the objects round when they are in molten form.
Explanation:
Displacement is a vector quantity. So, you incorporate the vector calculations when you try to determine the resultant vector. This is the shortest path from the starting point to the endpoint. If they are moving on one axis only, you use sign conventions. For motions moving to the left, use the negative sign. If it's moving to the right, then use the positive sign. Now, it the object moves 2 km to the left, and 2 km also to the right, the displacement is zero.
Displacement = 2 km - 2km = 0
Generally, the equation is:
<span>Displacement = Distance of motion to the right - Distance of motion to the left</span>
B. The charge of the oxygen atom changes
This is because the neutron does not carry any electrical charge, so the charge should be unaffected.