II. A. FACT OR BLUFFDirections: Write TRUE if the statement is correct and FALSE if the statement is wrong.TRUE 1Both ACa6 ndthe flow of current in a circuit.dically.4. AC can be represented by waves.5. Triangie waves are often used in digital and switching electronics to test their operation.6. The most common waveform in AC is square wave.7. The frequency of direct current ranges from 50 Hz to 60 Hz.

Electric current flows in two ways as an alternating current (AC) or direct current (DC). In…

irections: Write TRUE if the statement is correct and FALSE if the statement is wrong. 1 Poth ACa6 D the flow of current in a circuit. dically. 4. AC can be represented by waves. dgil ar 5. Triangie waves are often used in digitai and switching electronics to test their a 6. The most common waveform in AC is square wave. 7. The frequency of direct current ranges from 50 Hz to 60 Hz.

irections: Write TRUE if the statement is correct and FALSE if the statement is wrong. 1 Poth ACa6 D the flow of current in a circuit. dically. 4. AC can be represented by waves. dgil ar 5. Triangie waves are often used in digitai and switching electronics to test their a 6. The most common waveform in AC is square wave. 7. The frequency of direct current ranges from 50 Hz to 60 Hz.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter23: Electromagnetic Induction, Ac Circuits, And Electrical Technologies

Section: Chapter Questions

Problem 88PE: The capacitor in Figure 23.55(a) is designed to filter low—frequency signals, impeding their...

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Similar questions

(a) What current flows when a 60.0 Hz, 480 V AC source is connected to a 0.250 (F capacitor? (b) What would the current be at 25.0 kHz?
(a) What is the resistance of a 220-V AC short circuit that generates a peak power of 96.8 kW? (b) What would the average power be if the average power be if the voltage was 120 V AC?
The capacitor in Figure 23.55(a) is designed to filter low—frequency signals, impeding their transmission between circuits. (a) What capacitance is needed to produce a 100 k reactance at a frequency of 120 Hz? (b) What would its reactance be at 1.00 MHz? (c) Discuss the implications of your answers to (a) and (b).
1. How does a series connection differ from parallel connection in terms of voltage and/or current?2. What will happen if we increase the frequency of an AC source in a given circuit?3. What is the effect of changing the value of R or C in an RC circuit? please answer all questions. thank you!
II. A. FACT OR BLUFF Directions: Write TRUE if the statement is correct and FALSE if the statement is wrong. TRUE 1. Both AC and DC described the flow of current in a circuit. 2. Electric charges in both AC and DC changes direction periodically. 3. DC can be produced by a device called alternator. 4. AC can be represented by waves. 5. Triangie waves are often used in digital and switching electronics to test their operation. 6. The most common waveform in AC is square wave. 7. The frequency of direct current ranges from 50 Hz to 60 Hz.
II. A. FACT OR BLUFF Directions: Write TRUE if the statement is correct and FALSE if the statement is wrong. 1 Path AC and DC daneribad the flow of current in a circuit ation. 7. The 8. Electrons in AC keep changing its direction. 9. Electrons in DC is stationary. _10. AC has no frequency. _11. Both AC and DC uses rotating magnet along the wire. _12. DC provides constant voltage. _13. Thomas Edison introduces AC in America. _14. AC can be readily converted to high voltages. 15. Nikola Tesla patented AC motors and transmission.
16. An AC voltage source, with a peak output of 150 V, is connected to a 75-12 resistor. What is the energy dissipated due to heat in the resistor? a. 150 W b. 566 W c. d. 400 W 800 W
4. What happens to the voltage drop in a parallel circuit? A. The voltage drop is equal in each resistance. B. The voltage drop in a parallel circuit is just the same in a series circuit. C. The sum of the entire individual voltage drop is the same as the applied voltage. D. The voltage drop in each resistance is the same as the magnitude of the applied force. 5. Which of the following is NOT the advantage of a parallel circuit over a series circuit? A. Turn your appliances on or off independently of each other B. Adds up power devices to have a higher output in terms of voltage C. Ensure all components in the circuit have the same voltage as the source D. Allow components to be added in the circuit without changing the voltage.
1. Can you explain why the majority of AC voltmeters and ammeters are designed to read the effective (rms) values of voltage and current? 2. When an electrician refers to a voltage as being 1200V ac, it is understood that he means the effective (rms) value? 3. An AC distribution system operates at 600V ac. What is the peak value of the voltage?
d. They stay the same 24. What is a disadvantage of using a series circuits? a. If one section of the circuit fails, the whole circuit fails b. It requires a complicated pattern of wires to create C. Additional power sources are not able to be added d. Extra lightbulbs increase the speed of the current. -
9. Shown at the right is an illustration of an "open" circuit. Which of the following statements is/are TRUE about an "open circuit"? A. An open dc circuit has zero resistance. B. An open circuit has a very large to infinite resistance. + Battery C. No current flows in an open circuit. D. A and C Е. В and C
2. An ideal battery (no resistance) for which V =9 Volts is placed in series with a 100 2 resistor and a 20 mF capacitor in a closed loop circuit, as shown in the figure below. What is the RC time constant? The switch is closed at time t= 0. What will be the current in the-circuit just after the switch is closed? What is the current in the circuit a long time after the switch is closed? Use DESMOS to make a graph of the current in amperes versus the time in seconds, from t= 0 to t = 5RC.