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:
Explanation:
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Mass of Albertine, m = 60 kg
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Compression in the spring, x = 5 m
A glass sits 19.8 m from her outstretched foot, h = 19.8 m
When she just reach the glass without knocking it over, a force of friction will also act on it. Using the conservation of energy for the spring mass system such that,
So, the coefficient of kinetic friction between the chair and the waxed floor is 0.101. Hence, this is the required solution.