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An inductor P of inductance Xp is connected in series with a bulb and an AC source.
In which of the following scenarios given below will the brightness of the bulb increase?
1) Inserting an iron rod into the inductor P.
2) Reducing the number of turns in the inductor.
3) Increasing the number of turns in the inductor.
4) Inserting a capacitor of reactance Xc=Xp in series in the circuit.CorrectIncorrect
Let the length dependence of a physical quantity K be defined as K = Ce(aL) where ‘C’ and ‘a’ are constants and ‘L’ is length. Dimension of ‘a’ isCorrectIncorrect