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A current of I(t) = (5.50 mA)((sin(325 s-1)t ) passes through a 38 microF capacitor. What is the rms voltage across the capacitor?
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- A resistor with resistance R and a capacitor with capacitance C are connected in series to an AC voltage source. The time-dependent voltage across the capacitor is given by VC(t) = VC0sin(omegat). What is the amplitude VR of the voltage across the resistor?-h, R = 10 N, C = 0.01 f, E(t) = 150 V, g(0) = 1 C, and i(0) = 0 A. 2 Find the charge on the capacitor in an LRC-series circuit when L = –10t e 3 q(t) = (cos 10t + sin 10t) + 2 2 What is the charge on the capacitor after a long time? 3Q.7: Reactance of capacitor of capacitance C AC frequency 400/t Hz is 25 Q. The value of C is (CET-2002) (a) 50 µF (b) 25 µF (c)100 uF (d) 75 uF
- Find the charge on the capacitor in an LRC-series circuit when L = -h, R = 10 N, C = 0.01 f, E(t) = 150 V, q(0) = 1 C, and i(0) = 0 A. -10t e 3 q(t) = (cos 10t + sin 10t) + What is the charge on the capacitor after a long time?A 10 kHz voltage is applied to a 0.0047 μF capacitor, and 1 mA of rms current is measured. What is the value of the voltage?A 200 Q resistor is connected in series with a 4.00 µF capacitor and an ac source. The voltage across the resistor is given by vR = (5.00 V) cos [(800 rad/s) t]. What is the reactive capacitance and the instantaneous voltage across the capacitor? А. 7.90х 105F B. 7.50 x 10-ª F С. 3.95 х 103F D. 7.90 x 10³ F
- An LRC-series circuit has the following parameters L = 1/2 h, R = 30,C = 1/1700 f. Find the charge q = q(t) on the capacitor if E(t) = 170V , q(0) = 5.1 C and q0(0) = 0. Please find q(t) by fi nding the general solution of DE for q(t) and using the initial conditions.A deflection bridge shown in figure below is used to measure an unknown capacitance,Cu. The components in the bridge have the following values:Vs=20 Vrms, C1= 10 µF, R2= 60 2, R3= 40 nlf Cu= 100 µF, the output voltage, Vo=2 V rms. D L True N False Vo b VA capacitor is connected across an AC source. At one instant in time, the current through the capacitor is 23 mA when the voltage across the capacitor is changing at a rate of 7.2 x 104 V/s . What is the value of the capacitance?
- Find the charge on the capacitor in an LRC-series circuit when L = n L = 1½ h, R = 10 N, C = 0.01 f, E(t) = 50 V, q(0) = 1 C, and i(0) = 0 A. 2 q(t) = с What is the charge on the capacitor after a long time? сIn many European homes the rms voltageavailable from a wall socket is 240 V. What is the maximum voltage in this case?An AC voltage source is connected to a resistor R = 1.25 x 102 2. The output from an AC voltage source is given by the expression V = (2.20 x 102 v) sin 2aft. (a) What is the rms voltage across the resistor? V (b) What is the rms current flowing through the resistor? A.