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Last Faraday Night. A galvanometer is connected across a solenoid, which is in ...
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Last Faraday Night. A galvanometer is connected across a solenoid, which is in a uniform external magnetic field. Which of the following cases will cause a deflection in the galvanometer needle?
I. Gradually decreasing the magnetic field strength to zero.
II. Tilting 60° from horizontal
III. Squeezing the solenoid's cross-sectional area
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