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.
I would say a because that is the only one that makes sense but I’m not 100% sure
Answer:
Explanation:
Work is the product of force and displacement. Work is positive if force and displacement moves in the same direction. Work is negative if force and displacement moves in opposite direction. Take for example, a load is to move from point A to point B in the forward direction. if you apply force on the load from point A to B work done on the load is positive. If it happens that the force you apply is to the opposite direction, the work done will be negative.
This is a normal distribution and we can use the standard score to compute for probabilities. We compute the standard score of the given.
z = (x - mu)/sd
z = (2625 - 2600)/50 = 25/50 = 0.5.
Consulting the z-table, P(z <= 0.5) = 0.6915.
P(z > 0.5) = 1 - P(z <= 0.5) = 1 - 0.6915 = 0.3085.
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