COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 21, Problem 33QAP
To determine
The rms current of the light bulb.
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#2. The current is at a maximum in this circuit.
What is the voltage across the capacitor and is it
increasing or decreasing?
A) Voltage maximum, decreasing
B) Voltage zero, decreasing
C) Voltage maximum, increasing
D) Voltage zero, increasing
E) None of above
V
rms
W
C
Q4/ Find the voltage average and the voltage waveform for the output of the
circuit shown below.
V=120v (rms)
E 2.1kn.
V.
10
In many European homes the rms voltageavailable from a wall socket is 240 V. What is the maximum voltage in this case?
Chapter 21 Solutions
COLLEGE PHYSICS
Ch. 21 - Prob. 1QAPCh. 21 - Prob. 2QAPCh. 21 - Prob. 3QAPCh. 21 - Prob. 4QAPCh. 21 - Prob. 5QAPCh. 21 - Prob. 6QAPCh. 21 - Prob. 7QAPCh. 21 - Prob. 8QAPCh. 21 - Prob. 9QAPCh. 21 - Prob. 10QAP
Ch. 21 - Prob. 11QAPCh. 21 - Prob. 12QAPCh. 21 - Prob. 13QAPCh. 21 - Prob. 14QAPCh. 21 - Prob. 15QAPCh. 21 - Prob. 16QAPCh. 21 - Prob. 17QAPCh. 21 - Prob. 18QAPCh. 21 - Prob. 19QAPCh. 21 - Prob. 20QAPCh. 21 - Prob. 21QAPCh. 21 - Prob. 22QAPCh. 21 - Prob. 23QAPCh. 21 - Prob. 24QAPCh. 21 - Prob. 25QAPCh. 21 - Prob. 26QAPCh. 21 - Prob. 27QAPCh. 21 - Prob. 28QAPCh. 21 - Prob. 29QAPCh. 21 - Prob. 30QAPCh. 21 - Prob. 31QAPCh. 21 - Prob. 32QAPCh. 21 - Prob. 33QAPCh. 21 - Prob. 34QAPCh. 21 - Prob. 35QAPCh. 21 - Prob. 36QAPCh. 21 - Prob. 37QAPCh. 21 - Prob. 38QAPCh. 21 - Prob. 39QAPCh. 21 - Prob. 40QAPCh. 21 - Prob. 41QAPCh. 21 - Prob. 42QAPCh. 21 - Prob. 43QAPCh. 21 - Prob. 44QAPCh. 21 - Prob. 45QAPCh. 21 - Prob. 46QAPCh. 21 - Prob. 47QAPCh. 21 - Prob. 48QAPCh. 21 - Prob. 49QAPCh. 21 - Prob. 50QAPCh. 21 - Prob. 51QAPCh. 21 - Prob. 52QAPCh. 21 - Prob. 53QAPCh. 21 - Prob. 54QAPCh. 21 - Prob. 55QAPCh. 21 - Prob. 56QAPCh. 21 - Prob. 57QAPCh. 21 - Prob. 58QAPCh. 21 - Prob. 59QAPCh. 21 - Prob. 60QAPCh. 21 - Prob. 61QAPCh. 21 - Prob. 62QAPCh. 21 - Prob. 63QAPCh. 21 - Prob. 64QAPCh. 21 - Prob. 65QAPCh. 21 - Prob. 66QAPCh. 21 - Prob. 67QAPCh. 21 - Prob. 68QAPCh. 21 - Prob. 69QAPCh. 21 - Prob. 70QAPCh. 21 - Prob. 71QAPCh. 21 - Prob. 72QAPCh. 21 - Prob. 73QAPCh. 21 - Prob. 74QAPCh. 21 - Prob. 75QAPCh. 21 - Prob. 76QAPCh. 21 - Prob. 77QAPCh. 21 - Prob. 78QAPCh. 21 - Prob. 79QAPCh. 21 - Prob. 80QAPCh. 21 - Prob. 81QAPCh. 21 - Prob. 82QAPCh. 21 - Prob. 83QAPCh. 21 - Prob. 84QAPCh. 21 - Prob. 85QAP
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- C2 C3 2F 4F 6F V= 10 V. Series capacitor circuit Physics and Radio-Electronics Equivalent capacitor for the above circuit is higher than 6 F in between 4 Fand 6 F O less than 2 F O in between 2 F and 4 Farrow_forward9/ The RC Circuit in the followihg Figure has R=3 KSL and C= 5MF. The Capacitor has Voldage 6 at t:o when the switch is clased. How long dbes it fake the Gapacitor to dischorge to 25% of its Inihial Veltage ? Find the time Constant of the Circuit ? Vo-arrow_forwardAn rms voltage of 120 V produces a maximum current of 4.1 A ina certain resistor. Find the resistance of this resistorarrow_forward
- 9/ The RC Circuit in the followthg Figure has R=3 KSL and C=5MF. The Capacitor has Valdage 6 at t:o when the switch is clased. How long dbes it fake the Capacitor to discharge Find the time Cans tant of the Circuit? to 25% of its Inihial Veltage ?arrow_forwardPhysics: How can the combination of capacitors in a circuit be optimized to maximize the overall capacitance while minimizing the equivalent series resistance (ESR)?arrow_forward9/ The RC Circuit in the followshy Figure has and C=5MF. The Capacitor R=3 KL has Voldage 6 at t:o when the switch is closedo How long dbes it fake the Gapacitor to dischorge to 25% of Its Initial Valtage? Find the time Constant of the Circuit? C Vo-arrow_forward
- The rms current through a 10 kΩ resistor is 5 mA. What is the rms voltage drop across the resistor?arrow_forwardDo AC ammeters and voltmeters read (a) peak-to-valley, (b) maximum, (e) rms, or (d) average values?arrow_forwardSuppose you connect a small lightbulb across a DC power supply that has an emf of 5.0 V. You then connect the bulb across a 60.0-Hz AC power supply that has an rms voltage of 5.0 V. Does the bulb dissipate more power on average when it is connected to the DC power supply or the AC power supply? Is the bulb brighter when it is connected to the DC power supply or the AC power supply? Explain.arrow_forward
- An electronic apparatus may have large capacitors at high voltage in the power supply section, presenting a shock hazard even when the apparatus is switched off. A “bleeder resistor" is therefore placed across such a capacitor, as shown schematically in Figure 21.50, to bleed the charge from it after the apparatus is off. Why must the bleeder resistance be much greater than the effective resistance of the rest of the circuit? How does this affect the time constant for discharging the capacitor?arrow_forwardIntegrated Concepts Use the ECG in Figure 20.34 to determine the heart rate in beats per minute assuming a constant time between beats. Figure 20.34 A lead II ECG with corresponding arterial blood pressure. The QRS complex is created by the depolarization and contraction of the ventricles and is followed shortly by the maximum or systolic blood pressure. See text for further description.arrow_forwardIntegrated Concepts (a) Referring to Figure 20.34, find the time systolic pressure lags behind the middle of the QRS complex, (b) Discuss the reasons for the lime lag. Figure 20.34 A lead II ECG with corresponding arterial blood pressure. The QRS complex is created by the depolarization and contraction of the ventricles and is followed shortly by the maximum or systolic blood pressure. See text for further description.arrow_forward
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