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In an L-C-R circuit with all components ...

In an L-C-R circuit with all components connected in series,the e.m.f. and the current flowing in the circuit are given by the following equation : `e_d = 200 sin (314 .t + pi//6)` Volt,I = 5 sin 314 t A. obtain:The peak values of current and e.m.f.

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In an L-C-R circuit with all components connected in series,the e.m.f. and the current flowing in the circuit are given by the following equation : e_d = 200 sin (314 .t + pi//6) Volt,I = 5 sin 314 t A. obtain: The phase difference between current and e.m.f.

In an L-C-R circuit with all components connected in series,the e.m.f. and the current flowing in the circuit are given by the following equation : e_d = 200 sin (314 .t + pi//6) Volt,I = 5 sin 314 t A. obtain: The frequency of the a.c. source.

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An electric bulb is connected to battery of e.m.f. 10V and 0.01 A current is flowing through the bulb. But when it is connected to 220V mains then the cureent is 0.05 A. Explain this apparent discrepancy with ohm's law.

A resistor, R=300Omega and a capacitor , C=25muF are connected in series with an ac source. The peak value of voltage (V_0) and the frequency (f) of the source are 150 V and and 50/pi Hz respectively. Find the peak value of current and the power dissipated in the circuit.

A series combination of an inductor of self-inductance L, capacitor of capacitance C and resistor R is connected to an alternating voltage source of V=V_0sinomegat . The current through the circuit is I=I_0sin(omegat-theta) ,where I_0=V_0/(sqrt(R^2+(omega-1/(omegaC))^2)) and theta=tan^-1 ""1/R(omegaL-1/(omegaC)) . Now that, the frequency of both voltage and current is f=omega/(2pi) . The rms value of these parameters during one complete cycles are V_(rms)=V_0/sqrt2 and I_(rms)=I_0/sqrt2 respectively. These values are shown in alternating voltmeter and ammeter. The power consumed by the circuit P=VI. The mean value i.e., the effective power of the circuit in a complete cycle is overlineP=V_(rms)I_(rms)costheta . This costheta is termed the power factor. In the circuit in question (i) the inductor is replaced by a pure capacitor, the phase difference between the current and terminal voltage of the capacitor is

UNITED BOOK HOUSE-MODEL PAPER SET-05-EXERCISE
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  2. A ray of lilght is incident at a small angle theta on a rectangular gl...

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  8. Write Kirchhoff’s 2nd law.

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  9. For the network of conductors forming an electrical circuit as shown ...

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  10. What is the nature of temperature coefficient of resistance of a semic...

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  11. Group of N cells whose e.m.f. varies directly with the internal resist...

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  12. Show that if n identical conductors are joined in series, the combined...

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  14. A closed circular coils of average radius 10 xx 10^-2 m is placed no...

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  15. Show that in the C R circuit, the phase angle is tan^-1(1/(omegaCR))

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  16. In an L-C-R circuit with all components connected in series,the e.m.f....

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  17. In an L-C-R circuit with all components connected in series,the e.m.f....

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  18. In an L-C-R circuit with all components connected in series,the e.m.f....

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  19. In Young’s double slit experiment the distance between two slits is 0....

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  20. In Young’s double slit experiment the distance between two slits is 0....

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