Consider an AC voltage source that produces a voltage given by V = Vmax sin(2πft), with Vmax = 16 V and f= 5.2 Hz. What is the instantaneous value of the voltage at t=1.1 s? V
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- Consider an AC voltage source that produces a voltage given by V = Vmax sin(2πft), with Vmax = 16 V and f= 5.2 Hz. What is the instantaneous value of the voltage at t=1.1 s?the voltage suplied to an ac circuit is given by v = 120 sin(377t). What is the voltage at t = 3 x 10^-3 s? I plug in t in the equation and I get 2.37V. Answer key says 109V.A (4.41x10^1)-F capacitor is connected to an AC source of EMF with a frequency of (4.1x10^2) Hz and a maximum EMF of (2.450x10^1) V. What is the maximum current expressed in A and with two significant figures.
- Two identical capacitors are connected in parallel to an ac generator that has a frequency of 610 Hz and produces a voltage of 24 V. The current in the circuit is 0.16 A. What is the capacitance of each capacitor?At its highest temperature, a space heater has a resistance of 25.5 Q when it is plugged into a wall outlet that supplies a peak voltage of 162.6 V sinusoidally at 60 Hz. What is the average power output P of the space heater? P = WA (2.884x10^1)-µF capacitor is connected to an AC source of EMF with a frequency of (3.2050x10^2) Hz and a maximum EMF of (3.00x10^1) V. What is the maximum current expressed in A and with three significant figures.
- A circuit consists of a 8 ohm resistor, a 0.1 farad capacitor, and an AC voltage source supplying V(t) = 240 cos(20 t) volts. 1. Write the differential equation for the charge on the capacitor. q' + q= 30 cos (20. t) 2. Write a formula for the solution, assuming q(0) = 0. q(t) =A source delivers an AC voltage of the form AV = 177 sin( 55 t), where AV is in volts and t is in seconds, to a capacitor. The maximum current in the circuit is 9.9 A. Find the value of the capacitance (in micro Farad) and provide your answer with 1 decimal place.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
- The circuit below shows an AC power supply connected to a resistor R = 21.00. R ww A AV V V max The current through the resistor is measured by an ideal AC ammeter (has zero resistance), and the potential difference across the resistor is measured by an ideal voltmeter (has infinite resistance). If the maximum voltage supplied by the power supply is AV, 84.0 V, determine the following. = max (a) reading on the ammeter (in A) (b) reading on the voltmeter (in V) APhasors and alternating current. A 200 resistor is connected in series with a 4.00 uF capacitor and an ac source. The voltage across the resistor is VR = 5.00 V cos [(800 rad/s) t]. What is the reactive capacitance and the instantaneous voltage across the capacitor O A. X = 8.00 x 1040, vc = 2.00 x 10-5 V cos [(800 rad/s) t-π/2] O B. X = 8.00 x 10-40, vc = 2.00 x 10-5 V cos [(800 rad/s) t + π/2] O C. XC -1.25 x 10³ 0, vc = 31.2 V cos [(800 rad/s) t + π/2] O D. X 1.25 x 103 0, vc = 31.2 V cos [(800 rad/s) t- TT/2]An AC source with ΔVmax = 135 V and f = 40.0 Hz is connected between points a and d in the figure. (a) Calculate the maximum voltages between points a and b. V(b) Calculate the maximum voltages between points b and c. V(c) Calculate the maximum voltages between points c and d. V(d) Calculate the maximum voltages between points b and d