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In an A.C. circuit the value of inductiv...

In an A.C. circuit the value of inductive reactance connected with it, then the phase difference between current in coil and voltage = …… rad.

A

`pi/2`

B

`pi/3`

C

`pi/4`

D

`pi/6`

Text Solution

Verified by Experts

The correct Answer is:
C
Phase difference `tan delta=X_L/R=X_L/X_L=1`
`therefore delta=45^@ =pi/4` rad
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KUMAR PRAKASHAN-ALTERNATING CURRENTS -SECTION-D MCQs (DARPAN BASED ON TEXTBOOK)
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  2. The relation between the phase of current and voltage in a circuit con...

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  4. In an A.C. circuit, voltage applied is V = 220 sin 100t. If the impeda...

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  5. In an L-C-R series circuit, R = 500Omega L = 10 ml of an ideal inducto...

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  6. As shown in figure instantaneous current passing through the circuit f...

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  8. In the given figure, total V"rms" and I"rms" passing from various comp...

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  9. In the circuit given below the reading of voltmeter across L will be …...

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  10. Voltage and current in an a.c. circuit are given by V=5 sin (100pit-pi...

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  11. An alternating voltage is connected in series with a resistor R and an...

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  12. In an a.c. circuit containing an inductor of zero resistance, the emf ...

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  13. An alternating current source of frequency 100 Hz is joined to a serie...

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  14. In an A.C. circuit, a resistance of R Omega connected in series with a...

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  15. A 12 Omega resistor and a 0.21 henry inductor are connected in series ...

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  16. In a series L-C-R circuit, resistance R = 10 Omega and the impedance Z...

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  17. An inductance of (200/pi) mH, a capacitance of (10^(-3)/pi)F and a res...

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  18. At which angular frequency of source, current in series LCR A.C. circu...

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  19. When resonance takes place in series LCR A.C. circuit,

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  20. For one series LCR A.C. circuit, voltages across L, C and R are each 1...

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