The discovery that one current-carrying wire exerts a force on a second current-carrying wire was made by _________. Coulomb Oer
2 answers:
Answer:
The discovery that one current-carrying wire exerts a force on a second current-carrying wire was made by <u>Ampere</u>
Explanation:
Two current carrying wires exert force on each other. This was discovered by Ampere. It is also known as Ampere's force law.
A current carrying wire produces magnetic field around it. Another current carrying wire kept nearby experiences magnetic force by the first one.
The force is given by:
where I₁ and I₂ are the currents in the two wires and r is the distance between them.
The force may be attractive or repulsive depending upon the direction of current flowing in the two wires.
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Answer:
Force, F = 20240 N
Explanation:
It is given that,
Pressure exerted by the four tires of an automobile,
Area of each tire,
Area of 4 tires,
We know that the pressure exerted by an object is equal to the force per unit area. Its formula is given by :
F = 20240 N
So, the weight of the automobile is 20240 N. Hence, this is the required solution.