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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.
A long solenoid of radius mm has turns per mm. If A current flows in the solenoid, the magnetic field strength at the center of the solenoid is:
T
T
T
T
To solve this problem, we need to calculate the magnetic field strength at the center of a long solenoid.The formula for the magnetic field inside a long solenoid is given by:Where:
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