To measure the peak value of an ac wave

Reference no: EM131081099

6. A technician uses an oscilloscope to measure the peak value of an AC wave. He tells you that the voltage has a peak value of 100 V. What is the rms value of the voltage?

A. 100 V

B. 10 V

C. 707 V

D. 70.7 V

7. How long does it take one cycle of 60 Hz current to complete one positive and one negative alternation?

A. 1/120 second

B. 1/180 second

C. 1/60 second

D. 1/360 second

8. The peak value of a sine wave is 80 VAC. What is the peak-to-peak value of this waveform?

A. 60 V

B. 160 V

C. 120 V

D. 40 V

9. The peak value of a sine wave is equal to 240 VAC. What is the average value of the waveform?

A. 169.68 V

B. 152.64 V

C. 120.74 V

D. 144.14 V

10. The average value of a sine wave is 83 VAC. What is the peak value (rounded) of the sine wave?

A. 110.9 V

B. 145.2 V

C. 115.6 V

D. 130.5 V

11. At what voltage level is AC power normally created by the utility?

A. 1000 VAC

B. 2500 VAC

C. 500 VAC

D. 1300 VAC

12. In a modern industrial plant, the most likely polyphase power system in use is a

A. one-phase system.

B. two-phase system.

C. four-phase system.

D. three-phase system.

Reference no: EM131081099

Questions Cloud

Advanced analysis-dollar value of the deadweight loss : (Advanced Analysis) Given the following diagrams: Q1 = 20 bags. Q2 = 15 bags. Q3 = 27 bags. The market equilibrium price point b is $45 per bag. The price at point a is $85 and the price at point c is $5 per bag. What is the dollar value of the deadw..

Write down the jordan canonical form of a : Write down the Jordan canonical form of A.

Evaluate the reliability and validity of your job analysis : Evaluate different performance appraisal methods that might be applied to your chosen job. Explain the various benefits and vulnerabilities of each performance appraisal method.

Considering investing in start up project : You are considering investing in a start up project at a cost of $100,000. you expect the project to return $500,000 to you at the end of seven years. Given the risk of this project, your cost of capital is 20%. What is the npv for this project?

To measure the peak value of an ac wave : 6. A technician uses an oscilloscope to measure the peak value of an AC wave. He tells you that the voltage has a peak value of 100 V. What is the rms value of the voltage?

Masters championship : Why is it easier to explain a $ 2 million payout to Tiger Woods for working 4 days to win a Masters Championship that it is to explain why William Clay Ford made $ 30 million as CEO of Ford Motor Company?

Foundational concepts in understanding economic theory : Supply and demand are foundational concepts in understanding economic theory. Whether you are a coffee drinker or not, you have been tasked to examine the impact of supply and demand when dealing with the coffee retail industry. A new health report c..

Financing and delivery of healthcare services : Do you believe that the evolution of MCOs and consumer driven health plans (CDHPs) has affected the healthcare environment today by integrating the financing and delivery of healthcare services? If yes, how? How have the roles and relationships be..

Find inequalities that must be satisfied by a and b : Find inequalities that must be satisfied by a and b

User Account

All Pages