Question

How would brightness be affecred if an iron rod is immersed in an inductor in ac?

Answer 1

$\huge\boxed {ANSWER}$

As the iron rod is inserted, the magnetic field inside the coil magnetizes the iron increasing the magnetic field inside it. ... Consequently, the inductive reactance of the coil increases. As a result, a larger fraction of the applied ac voltage appears across the inductor, leaving less voltage across the bulb

Answer 2

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⛓ Here is the answer⛓


✨As the iron rod is inserted, the magnetic field inside the coil magnetizes the iron increasing the magnetic field inside it. ... Consequently, the inductive reactance of the coil increases. As a result, a larger fraction of the applied ac voltage appears across the inductor, leaving less voltage across the bulb•✨


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