A coil of self-inductance L is connected in series with a bulb B and an AC source. The brightness of the bulb decreases when

(a) frequency of the AC source is decreased 

(b) the number of turns in the coil is reduced

(c) a capacitance of reactance Xc=XL is included in the same circuit

(d) an iron rod is inserted in the coil


Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level: