The following is current scientific evidence supporting the nebular theory on the formation of the solar system.
2 answers:
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Answer:
Faraday's law states that the EMF induced is proportional to the rate of change of magnetic flux
Explanation:
It is given that,
Charge on electron,
Mass of the electron,
Speed of the electron,
Magnetic field, B = 1 T (directed out of the page)
Let F is the magnetic force acting on the electron. It is given by :
Here,
Using the right hand rule, the direction of magnetic force is upward to the plane of the paper. Also, the electron will follow the circular path. It is given by :
Hence, this is the required solution.
A gold leaf electroscope's cap develops a negative charge when a negatively charged rod is brought close to it; the case is then grounded, creating a negative charge in the leaf. Option D is correct.
<h3>What is the charge?</h3>When the matter is put in an electromagnetic field, it has an electric charge, which causes it to experience a force. A positive or negative electric charge can exist.
Similar charges repel each other, whereas dissimilar charges attract each other.
The term "neutral" refers to an item that has no net charge. A charge is something experienced as a force in the electric and magnetic fields.
When a negatively charged rod is brought near the cap of a gold leaf electroscope whose case ad then is earthed, then the leaf has an induced negative charge.
Hence option D is correct.
To learn more about the charge, refer to the link;
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