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  • MATCHING Match the Following :   Column A

MATCHING
Match the Following :

  Column A   Column B
(A) LCR circuits (p) Resonant curve will be flattened
(B) Inductor (q) Sharpness indicates sensitivity
(C) More of friction or dampness (r) Have resonant frequency \mathrm{\omega=\frac{1}{\sqrt{\mathrm{LC}}}} with \mathrm{A\rightarrow A_{max}}
(D) Radio Tuner’s characteristic curve (s) Mass

 

Option: 1

 \begin{aligned} & (\mathrm{A})-(\mathrm{q}),(\mathrm{r}) \\ & (\mathrm{B})-(\mathrm{s}) \\ & (\mathrm{C})-(\mathrm{p}) \\ & (\mathrm{D})-(\mathrm{q}) \end{aligned}


Option: 2

\begin{aligned} & (\mathrm{A})-(\mathrm{q}),(\mathrm{r}) \\ & (\mathrm{B})-(\mathrm{s}) \\ & (\mathrm{C})-(\mathrm{p}) \\ & (\mathrm{D})-(\mathrm{p}) \end{aligned}


Option: 3

 \begin{aligned} & (\mathrm{A})-(\mathrm{p}),(\mathrm{r}) \\ & (\mathrm{B})-(\mathrm{s}) \\ & (\mathrm{C})-(\mathrm{p}) \\ & (\mathrm{D})-(\mathrm{q}) \end{aligned}


Option: 4

 \begin{aligned} & (\mathrm{A})-(\mathrm{q}),(\mathrm{r}) \\ & (\mathrm{B})-(\mathrm{s}) \\ & (\mathrm{C})-(\mathrm{q}) \\ & (\mathrm{D})-(\mathrm{q}) \end{aligned}


Answers (1)

best_answer

In LCR circuits at \mathrm{\omega=\frac{1}{\sqrt{\mathrm{LC}}} \text { or } \mathrm{f}=\frac{1}{2 \pi \sqrt{\mathrm{LC}}}} the amplitude of I is maximum. It reduces for lesser and greater values of \mathrm{\omega}

So, (A) → (q) and (r)
An inductor brings inertia factor in electricity.
So, (B) → (s)
Sharpness of the curve speaks about the sensitivity. Current for a particular frequency will rise sharply. More the dampness, the sharpness is affected and so I − f curve will be flattened.

So, (C) → (p) and (D) → (q)

Posted by

vishal kumar

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