Answer: a switch can do A, B and E
Explanation:
Answer:
When an electric field exists in a conductor a current will flow.
This implies a voltage difference between two points on the conductor.
Electrostatics pertains to static charge distributions.
That means that an object such as a charged spherical conductor will be at the same potential (voltage) on both its outer and inner surfaces.
Answer:

Explanation:
The formula for kinetic energy is:

We can plug in the given values into the equation:



<span>The blades should turn in two directions.</span>