Answer:
The magnetic compass shows no deflection.
Explanation:
- When a magnetic compass is placed on a current-carrying conductor, the compass needle shows deflection.
- When the direction of the current is reversed, the needle deflects in the opposite direction.
- This is due to the fact that the current-carrying conductor generates a magnetic field around it.
- If the direction of the current is reversed, the magnetic polarization changes.
- This phenomenon was first noticed by Oersted, and later it helped to develop electromagnetism.
An inclined plane makes work easier by breaking an upward or downward movement into smaller increments.
A screw is like an inclined plane wrapped around a cylinder. It turns a small rotational force into a larger forward driving force
Remain the same
Explanation:
If the force exerted by the intern is doubled and the distance is halved, the work done by the intern remains the same.
Work done is the force applied to move a body through a distance.
Work done = F x d
where F is the applied force
d is the distance moved
Now;
if:
f = 2f
d = 
d
Input the parameter:
Work done = fxd = 2f x d = fd
The work done will still remain the same
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I'm pretty sure they expand
Answer:
Waves of energy traveling through a space
Explanation:
