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Results tagged with magnetic-fields
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user 268590
For questions that utilize the concept of magnetic fields (commonly denoted by the letter B), or for questions whose answers likely involve magnetic fields. More specific than the [magnetism] tag, as questions about the phenomenon & theory of magnetism do not necessarily involve the discussion of fields.
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How to find magnetic field as a function of $r$ from axis of solenoid?
I was solving this problem:
Whose answer is given as:
I understand the part for calculating the field outside the cylinder, but for inside, I don't get it. If we apply Ampère's circuital law by tak …
- 362
2
votes
1
answer
905
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Why should there be an induced electric field if magnetic field is constant? [closed]
Problem statement:
The curved surface of a very long hollow non conducting cylinder of radius $R$ is uniformly charged with surface charge density $\sigma$. A non conducting small circular ring of ra …
- 362