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Which one of the follwing represents the...

Which one of the follwing represents the variation of capacitive reactance `(X_C)` with the frequency (v) of the voltage source ? .

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
D
`X_(C)=1/(omegac)=1/(2pivC)`
`X_(C)V=1/(2piC)="Constant"`
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CP SINGH-ALTERNATING CURRENT-EXERCISES
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  2. The rms value of potential difference V shown in the figure is

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  3. Which one of the follwing represents the variation of capacitive react...

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  4. A resistor R and the capacitor C are connected in series across an ac ...

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  5. An alternating voltage is connected in series with a resistance R and ...

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  6. An ideal inductor of (1//pi) is connected in series with a 300gamma re...

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  7. An ideal inductive coil has a resistance of 100gamma When an ac signal...

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  8. When 100V dc is applied across a coil a current of 1 A flows through i...

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  9. An ideal inductor takes a current of 10 A when connected to a 125V 50H...

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  10. An ac source of angular frequency omega is fed across a resistor R and...

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  11. An inductor-coil having some resistance is connected to an AC source. ...

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  12. When an ac source of emfe=E(0) sin (100 t) is connected across a circu...

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  13. In an LCR series ac circuit the voltage across L,C and R are V(1), V(2...

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  14. A resistor an inductor and a capacitor are connected in series to an a...

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  15. The phase difference between the current and voltage of LCR circuit in...

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  16. An LCR series circuit contains L = 8 H, C = 0.5 muF and R =100 Omega T...

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  17. In an LCR series circuit the capacitance is changed from C to 4C For t...

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  18. A 200V ac source is applied in a LCR series circuit which consists of ...

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  19. In an LCR series circuit the voltages across R,L and C at resonance ar...

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  20. In the given circuit the readings of the voltmeter V(1) and the ammete...

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