Question
Download Solution PDFIn a series R-L-C circuit, if R, L and C are doubled, then band width of the circuit will
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is option 1):(remain same.)
Concept:
Consider the series RLC Circuit
The bandwidth of a series RLC network is given as:
\({\rm{BW}} = \frac{{{{\rm{f}}_{\rm{r}}}}}{{\rm{Q}}}\)
fr = \(1 \over 2 \pi × \sqrt{L× C}\)
Q = \(\frac{ 2 \pi× f × L}{R}\)
BW = \(R \over L\)
Calculation:
Given
when
R1 = 2 R
L1 = 2 L
BW1 = \(R_1 \over L_1\)
= \(2 \times R \over 2\times L\)
= \(R\over L\)
In a series R-L-C circuit, if R, L and C are doubled, then band width of the circuit will same
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