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An ac voltage, whose peak value is 170 V , is across a 340-Ω resistor.
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Part AWhat is the peak current in the resistor?
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- An AC voltage source, with a maximum voltage of 200 V, is connected across a 50 Ω resistor. What is the power dissipated in the resistor?The rms current in a 50-Ω resistor is 0.42 A. What is the peak value of the voltage across this resistor?In an RC series circuit, the EMF, E = 8.1 Volts, resistance = 1.40 MQ and the capacitance = 10.0 µF. Calculate the maximum charge possible on the capacitor in μC. %3D Use 1 decimal place in your answer.
- An AC voltage, whose peak value is 8.9 V, is across a 8.0 Ohm resistor. What is the value of the rms current in the resistor? Give your answer in SI units to 3 decimals. Your Answer: AnswerIn an a.c. series RLC circuit, the voltage across R and L is 20 V, voltage across L and C is 9 V and voltage across RLC is 15 V. What is the voltage across C ?An AC voltage source, with a peak output of 200 V, is connected to a 50-W resistor. What is the rate of energy dissipated due to heat in the resistor? 200 W 400 W 566 W 800 W
- When an AC voltage source, with a maximum voltage of 200 V, is connected across a 50 Ω resistor, the power dissipated in the resistor is... a. 200 W b. 400 W c. 566 W d. 800 WPhasors 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]Phasors and alternating current. A 2000 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 ⒸA. X. - 8.00 x 1040, vc - 2.00 x 10¹5 V cos [(800 rad/s) t - r/2] OB. X. - 8.00 x 104 0, vc - 2.00 x 10¹5 V cos [(800 rad/s) t + n/2] OC. X. -1.25 x 10³ 0, v₁ = 31.2 V cos [(800 rad/s) t + n/2] OD. X. -1.25 x 10³ Q, Vc = 31,2 V cos [(800 rad/s) t - n/2]
- An AC Power Supply Produces a maximum Voltage Symax = 94V : This Power Supply is connected to a resistor R = 20-852- and the current and resistor Voltage are measured with an Ideal AC ammeter and Voltmeter. An ideal ammeter has Zero resistance, and an Ideal Poltmeter has Infinite resistance. a) What is the reading on the Ammeter ?The peak‑to‑peak current passing through a 130-ohm resistor is 28.0 A. Find the maximum voltage V0 across the resistor. Find the rms current i(rms) through the resistor.An RC circuit has R=6.7kΩ and C= 2.0 µF. The capacitor is at a voltage Vo at t=0, when the switch is closed. How long does it take the capacitor to discharge to 1.0% of its initial voltage?