What is the value of the voltage function at 54 seconds? v(t) = 99 sin (12nt + (3t/4) V Cr v (t) = A sin (Brt + D
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- You are an electrician working in an industrial plant. You discover that the problem with a certain machine is a defective capacitor. The capacitor is connected to a 240-volt AC circuit. The information on the capacitor reveals that it has a capacitance value of 10 mF and a voltage rating of 240 VAC. The only 10-mF AC capacitor in the storeroom is marked with a voltage rating of 350 WVDC. Can this capacitor be used to replace the defective capacitor? Explain your answer.A resistor of 20 Ohms and a capacitance of unknown value when connected in in parallel across a 100V, 50Hz supply, take a current of 6A. The combination is now connected across a 100v supply of unknown frequency and the current falls to 5.5A. What is the frequency?A resistor of 20ohms and a capacitance of unknown value when connected. In in parallel across a 100V, 50Hz supply take a current of 6A. The combination is now connected across a 100V supply of unknown frequency and the current falls to 5.5A . What is the frequency?
- 1)The value of the capacitance reactive power in VAR is? /2) The value of the capacitor in micro farad is?Design a circuit to limit a 20 V rms sinusoidal voltage to a maximum positive amplitude of 10 V and a maximum negative amplitude of -5 V using a single 14 V de voltage source.Problem Design a circuit to limit a 20 V rms sinusoidal voltage to a maximum positive amplitude of 10 V and a maximum negative amplitude of -5 V using a single 14 V dc voltage source.
- The figure below shows a simple RC circuit with a 3.30-μF capacitor, a 4.40-M resistor, a 9.00-V emf, and a switch. What are the following exactly 9.00 s after the switch is closed? (a) the charge on the capacitor 13.7204 UC (b) the current in the resistor 0.0110522 x Your response is off by a multiple of ten. HA (c) the rate at which the capacitor is storing energy μW (d) the rate at which the battery is delivering energy μWA series R–L–C circuit comprises a 5µF capacitor, a 4ohm resistor and a variable inductance L. The supply voltage is 10∠0◦ V at a frequency of 159.1 Hz. The inductance is adjusted until the p.d. across the 4 ohm resistanceis a maximum. Determine for this condition (a) the value of inductance, (b) the p.d. across each component and (c) the Q-factor of the circuit.For a series RLC circuit with a sinusoidal input voltage, the amplitude of the current passing through the circuit (I, in mA) is plotted as a function of frequency for two cases: Curve 1 with R1, L1. and Curve 2 with R2. L2 as shown in the next figure. The value of the capacitor used in the circuits is C=0.01 micro Farads. If the value of R2 =1600 Ohm then the input voltage (in volts) is: 7.5 25 110 Frequency H2 O a. 4 O b. 16 sin(9888 t) O c. 8 O d. 8 cos(6.28 f t) O e. 8 sin (6.28 R t)
- In the following figure, the switch is left in position a for a long time interval and is then quickly thrown to position b. Find and rank the magnitudes of the voltages (V, VL, VRI, Vr2) across the four circuit elements a short time thereafter from the largest to the smallest. Vs 12.0 V 2.00 H 1 200 0 VRI 12.0 0 Vr24. A RC series circuit is composed of a resistor of resistance 50 ohms and a capacitor of capacitance 100µF. It is suddenly disconnected from a source voltage of 12V. Determine the time it takes for the voltage across each element is equal and determine the rate of change in the current at this time.Answer the following with illustration and solution. 1.) A circuit consisting of a resistor of 5kohms in series with a capacitor of 10 nanofarad is connected across a 16v sinusoidal supply. Calculate the output voltage at a frequency of 60Hz and again at frequency of 120Hz. This is the example/guide that might help.