the phase angle ϕ
an inductive circuit draws a power 550 W from a 220 V -50 Hz source. The power factor of the circuit is 8. the current in the circuit lags behind the voltage. show that a capacitor of about 1/42pie x 106-2 F will have to be connected in the circuit to bring its power factor to unity
08
Sep
an inductive circuit draws a power 550 W from a 220 V -50 Hz source. The power factor of the circuit is 8. the current in the circuit lags behind the voltage. show that a capacitor of about 1/42pie x 106-2 F will have to be connected in the circuit to bring its power factor [...]
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and the voltage amplitude across each circuit element. ,
C= 0.50 (μ)F ,
In an LR series circuit ,
In the series curcuit of fig ,
L= 60 mH ,
R= 11 Ω ,
sinusoidal voltage V=V0 sin ωt is applied . It is given that L= 35 mH ,
source amplitude is E0=50Vandω=10000rads−1. Find the reactances XLandXC ,
suppose R= 300 Ω ,
the current amplitude I0 ,
the impedance Z ,
the phase angle ϕ ,
V rms =220 V ,
An emf E=100 sin 314 t V is applied across a pure capacitor of 637μF. Find (a) the instantaneous current I (b) the instantaneous power P (c ) the frequency of power (d) the maximum energy stored in the capacitor.
08
Sep
An emf E=100 sin 314 t V is applied across a pure capacitor of 637μF. Find (a) the instantaneous current I (b) the instantaneous power P (c ) the frequency of power (d) the maximum energy stored in the capacitor. and the voltage amplitude across each circuit element. C= 0.50 (μ)F In an LR series [...]
Tags:
and the voltage amplitude across each circuit element. ,
C= 0.50 (μ)F ,
In an LR series circuit ,
In the series curcuit of fig ,
L= 60 mH ,
R= 11 Ω ,
sinusoidal voltage V=V0 sin ωt is applied . It is given that L= 35 mH ,
source amplitude is E0=50Vandω=10000rads−1. Find the reactances XLandXC ,
suppose R= 300 Ω ,
the current amplitude I0 ,
the impedance Z ,
the phase angle ϕ ,
V rms =220 V ,
A circuit containing an 80mH inductor and a 60μF capacitor in series is connected to a 230V−50Hz Supply. The resistance in the circuit is negligible . (a) Obtain the current amplitude and rms currents. (b) Obtain the rms values of voltage across inductor and capacitor. (c ) What is the average power transferred to the inductor and to the capacitor? (d) What is the total power absorbed by the circuit?
08
Sep
A circuit containing an 80mH inductor and a 60μF capacitor in series is connected to a 230V−50Hz Supply. The resistance in the circuit is negligible . (a) Obtain the current amplitude and rms currents. (b) Obtain the rms values of voltage across inductor and capacitor. (c ) What is the average power transferred to the [...]
Tags:
and the voltage amplitude across each circuit element. ,
C= 0.50 (μ)F ,
In an LR series circuit ,
In the series curcuit of fig ,
L= 60 mH ,
R= 11 Ω ,
sinusoidal voltage V=V0 sin ωt is applied . It is given that L= 35 mH ,
source amplitude is E0=50Vandω=10000rads−1. Find the reactances XLandXC ,
suppose R= 300 Ω ,
the current amplitude I0 ,
the impedance Z ,
the phase angle ϕ ,
V rms =220 V ,
A 25.0 μF capacitor, 0.10 henry inductor and a 25.0 Ω resistor are connected in series with an a.c. source whose emf is given by ɛ=310sin314t (i) What is the frequency of the emf? (ii) Calculate (a) the reactance of the circuit, (b) the impedance of the circuit, and (c) the current in the circuit.
08
Sep
A 25.0 μF capacitor, 0.10 henry inductor and a 25.0 Ω resistor are connected in series with an a.c. source whose emf is given by ɛ=310sin314t (i) What is the frequency of the emf? (ii) Calculate (a) the reactance of the circuit, (b) the impedance of the circuit, and (c) the current in the circuit. [...]
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A 25.0 μF capacitor ,
and the voltage amplitude across each circuit element. ,
C= 0.50 (μ)F ,
In an LR series circuit ,
In the series curcuit of fig ,
L= 60 mH ,
R= 11 Ω ,
sinusoidal voltage V=V0 sin ωt is applied . It is given that L= 35 mH ,
source amplitude is E0=50Vandω=10000rads−1. Find the reactances XLandXC ,
suppose R= 300 Ω ,
the current amplitude I0 ,
the impedance Z ,
the phase angle ϕ ,
V rms =220 V ,
A series LCR circuit with L= 0.12 H,C= 480 nF, and R = 23 Omega` is connected to a 230-V variable frequency supply. (a) What is the source frequency for which current amplitude is maximum? Find this maximum value. (b) What is the source frequency for which average power absorbed by the circuit is maximum? Obtain the value of maximum power. (c ) For which frequencies of the source is the power transferred to the circuit half the power at resonant frequency? (d) What is the Q-factor of the circuit?
08
Sep
A series LCR circuit with L= 0.12 H,C= 480 nF, and R = 23 Omega` is connected to a 230-V variable frequency supply. (a) What is the source frequency for which current amplitude is maximum? Find this maximum value. (b) What is the source frequency for which average power absorbed by the circuit is maximum? [...]
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A series LCR circuit with L= 0.12 H ,
and the voltage amplitude across each circuit element. ,
C= 0.50 (μ)F ,
C= 480 nF ,
In an LR series circuit ,
In the series curcuit of fig ,
L= 60 mH ,
R= 11 Ω ,
sinusoidal voltage V=V0 sin ωt is applied . It is given that L= 35 mH ,
source amplitude is E0=50Vandω=10000rads−1. Find the reactances XLandXC ,
suppose R= 300 Ω ,
the current amplitude I0 ,
the impedance Z ,
the phase angle ϕ ,
V rms =220 V ,
In an LR series circuit , sinusoidal voltage V=V0 sin ωt is applied . It is given that L= 35 mH, R= 11 Ω , V rms =220 V, 2π ω =50 Hz and π=22/7.Find the amplitude of current in the steady state and obtain the phase difference between the current and voltage .Also plot the variation of current for one cycle on the given graph
08
Sep
In an LR series circuit , sinusoidal voltage V=V0 sin ωt is applied . It is given that L= 35 mH, R= 11 Ω , V rms =220 V, 2π ω =50 Hz and π=22/7.Find the amplitude of current in the steady state and obtain the phase difference between the current and voltage .Also [...]
Tags:
and the voltage amplitude across each circuit element. ,
C= 0.50 (μ)F ,
In an LR series circuit ,
In the series curcuit of fig ,
L= 60 mH ,
R= 11 Ω ,
sinusoidal voltage V=V0 sin ωt is applied . It is given that L= 35 mH ,
source amplitude is E0=50Vandω=10000rads−1. Find the reactances XLandXC ,
suppose R= 300 Ω ,
the current amplitude I0 ,
the impedance Z ,
the phase angle ϕ ,
V rms =220 V ,
A resistor of 200 Ω and a capacitor of 15.0 μF are connected in series to a 220 V, 50 Hz source. (a) Calculate the current in the circuit . (b) Calcutalte the voltage (rms) across the resistor and the inductor. Is the algebraic sum of these voltages more than the source voltage? If yes, resolve the paradox.
08
Sep
A resistor of 200 Ω and a capacitor of 15.0 μF are connected in series to a 220 V, 50 Hz source. (a) Calculate the current in the circuit . (b) Calcutalte the voltage (rms) across the resistor and the inductor. Is the algebraic sum of these voltages more than the source voltage? If yes, [...]
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A resistor of 200 Ω and a capacitor of 15.0 μF are connected in series to a 220 V ,
and the voltage amplitude across each circuit element. ,
C= 0.50 (μ)F ,
In the series curcuit of fig ,
L= 60 mH ,
source amplitude is E0=50Vandω=10000rads−1. Find the reactances XLandXC ,
suppose R= 300 Ω ,
the current amplitude I0 ,
the impedance Z ,
the phase angle ϕ ,
A lamp with a resistance of 8 Ω is connected to a choke coil as shown in fig. this arrangement is connected to an alternating source of 110V. The current in the circuit is 11A. The frequency of the ac is 60 Hz. Find (a) the inpedence of the circuit and (b) the value of inductive of the choke coil
08
Sep
A lamp with a resistance of 8 Ω is connected to a choke coil as shown in fig. this arrangement is connected to an alternating source of 110V. The current in the circuit is 11A. The frequency of the ac is 60 Hz. Find (a) the inpedence of the circuit and (b) the value of [...]
A 200Ω resistor is connected in series with a 5 (μ)F capacitor. The voltage across the resistor is VR = ( 1.20 V)cos ( 2500 rads−1)t. (a) Derive an expression for the circuit current. (b) Determine the capactive reactance of the capacitor. (c ) derive an experssion for the voltage across the capacitor.
08
Sep
A 200Ω resistor is connected in series with a 5 (μ)F capacitor. The voltage across the resistor is VR = ( 1.20 V)cos ( 2500 rads−1)t. (a) Derive an expression for the circuit current. (b) Determine the capactive reactance of the capacitor. (c ) derive an experssion for the voltage across the capacitor. and the [...]
In the series curcuit of fig, suppose R= 300 Ω,L= 60 mH ,C= 0.50 (μ)F, source amplitude is E0=50Vandω=10000rads−1. Find the reactances XLandXC, the impedance Z, the current amplitude I0, the phase angle ϕ, and the voltage amplitude across each circuit element.
08
Sep
In the series curcuit of fig, suppose R= 300 Ω,L= 60 mH ,C= 0.50 (μ)F, source amplitude is E0=50Vandω=10000rads−1. Find the reactances XLandXC, the impedance Z, the current amplitude I0, the phase angle ϕ, and the voltage amplitude across each circuit element. and the voltage amplitude across each circuit element. C= 0.50 (μ)F In the [...]