This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An ac signal is applied across a 40-mH inductor and a 100- resistor. If the power factor of this ... (Read 54 times)

Marty

  • Hero Member
  • *****
  • Posts: 553
on: Jul 29, 2018
An ac signal is applied across a 40-mH inductor and a 100- resistor. If the power factor of this circuit is 0.40, what is the frequency of the ac signal?
 
  A) 160 Hz B) 910 Hz C) 410 Hz D) 600 Hz E) 200 Hz

Question 2

A rotating diatomic molecule has rotational quantum number l. The energy DIFFERENCE between adjacent energy levels
 
  A) is independent of l. B) decreases as l increases.
  C) is the same for all changes in l. D) increases as l increases.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

courtney_bruh

  • Sr. Member
  • ****
  • Posts: 308
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

D


Marty

  • Hero Member
  • *****
  • Posts: 553
Reply #2 on: Jul 29, 2018
TY


courtney_bruh

  • Sr. Member
  • ****
  • Posts: 308
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Primary production is constrained by the most limiting factor. Primary production is constrained by the most limiting factor.
Hydroelectric power: 2013 Global Market Hydroelectric power: 2013 Global Market
The Fukushima Daiichi power plant The Fukushima Daiichi power plant
Conversion of F+ to an Hfr state occurs by integration of the F factor Conversion of F+ to an Hfr state occurs by integration of the F factor
Nesting Sites: A Limiting Factor Nesting Sites: A Limiting Factor
Frederick Griffith’s experiment identifying a ″transformation factor″ responsible for heredity Frederick Griffith’s experiment identifying a ″transformation factor″ responsible for heredity
Video: Conduction of action potentials

For a complete list of videos, visit our video library