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The value of the Q-factor in an L-C-R se...

The value of the Q-factor in an L-C-R series circuit is ……..

A

dependent on the frequency of the A source.

B

dependent on the values of all three components L, R and C.

C

dependent only on the values of L

D

it may or may not depend on the power factor .

Text Solution

Verified by Experts

The correct Answer is:
B
From Q-factor `=1/R sqrt(L/C)`
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KUMAR PRAKASHAN-ALTERNATING CURRENTS -SECTION-D MCQs (DARPAN BASED ON TEXTBOOK)
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  2. For resonance in above circuit angular frequency and amplitude of curr...

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  3. The value of the Q-factor in an L-C-R series circuit is ……..

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  4. What is the rms value of the current for A current I=100 cos (200t + 4...

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  5. Resonance frequency for L-C-R, AC series circuit is f0= ……

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  6. For L-C-R, A.C. circuit resonance frequency is 600 Hz and frequencies ...

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  7. For series L-C-R circuit, L = 10mH and C = 10^(-7) F If resonance freq...

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  8. The current from an A.C. source is given by I = 2cos(omegat + phi) the...

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  9. For an L-C-R series circuit, the Q-factor is …

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  10. 20Omega resistor is connected with the A.C. source of V = 282sin (120 ...

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  11. The sharpness of an L-C-R series resonance curve …...

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  12. The value of half power bandwidth of resonance curve of L-C-R series c...

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  13. Q - factor for resonance curve of L-C-R series circuit is defined as ....

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  14. In a series L-C-R circuit R = 100Omega, L = 1H and C= 1 mu E The half ...

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  15. A 10Omega resistance, 5mH inductor and 10muF capacitor are joined in s...

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  16. In a series L-C-R, A.C. circuit, V1, V2 and V3 are the voltmeters conn...

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  17. Figure shows two resonance current with same voltage source for L-C-R...

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  18. If instantaneous current is given by i=4 cos (omegat+phi) ampere, tha...

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  19. In an a.c. circuit , peak value of voltage is 423 volt. Its effective ...

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  20. If E0 represents the peak value of the voltage in an a.c. circuit, the...

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