Answer:
I think option 1st is correct
lf it is wrong I apologise
HAVE A NICE DAY
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Answer:
The feeling of weight is one of compression.
Explanation:
All your body is being pulled down by gravity yet your feet ( if standing) or your back or something is holding you up.
Your body is compressed by the PAIR of forces and it is that compression that you feel.
So when you remove the supporting force then all the body is free to move together and there is no compression within you.
Hence you perceive no weight.
Answer: a. the magnetic field surrounding a long, straight wire
Explanation:
The Biot-Savart law was formulated by Jean Baptiste Biot and Felix Savart and describes how a magnetic field is generated by a stationary electric current.
In other words:
The law formulated by Biot and Savart relates the magnetic fields with the currents that create them.
Therefore, the correct option is a.
The magnetic field surrounding a long, straight wire.