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Did you know?
A bolt of lightning heats the surrounding air to ~30,000 K — five times hotter than the Sun's surface.
Did you know?
A bolt of lightning heats the surrounding air to ~30,000 K — five times hotter than the Sun's surface.
An iron bar of length L has magnetic moment M. It is bent at the middle of its length such that the two arms make an angle with each other. The magnetic moment of this new magnet is:
To solve this problem, we need to understand how the magnetic moment changes when the bar is bent.Given:• An iron bar of length has a magnetic moment • The bar is bent at the middle such that the two arms make an angle of
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