Question

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Harsh Pratap Singh :)

QUESTION :-
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In the adjoining AC circuit R is pure resistance and X is an unknown circuit element using only AC voltmeter how will you detect whether X is :-

¡] pure inductance

¡¡] pure resistance

¡¡¡] resistance less, inductance
less conductor.

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Answer should be easy to understand ​

Answer 1

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$\implies$Since the voltage across the resistive element is same as the voltage applied, the voltage drop across BC is zero.

$\implies$This is possible only when the ohmic value of the element connected across BC is zero.

$\implies$So, X should be combination of inductance and capacitance at resonance.

Answer 2

Answer:

Since the voltage across the resistive element is same as the voltage applied, the voltage drop across BC is zero.

This is possible only when the ohmic value of the element connected across BC is zero.

So, X should be combination of inductance and capacitance at resonance.