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

Author Question: An AC series circuit contains a resistor of 20 W, an inductor of 50 mH, and a variable capacitor. If ... (Read 42 times)

asmith134

  • Hero Member
  • *****
  • Posts: 576
on: Jul 28, 2018
An AC series circuit contains a resistor of 20 W, an inductor of 50 mH, and a variable capacitor. If the frequency of the applied voltage is 500 Hz, to what setting should the capacitor be set if resonance is achieved?
 a. 2.4 F
  c. 2.0 F
  b. 3.4 F
  d. 0.8 F

Question 2

If the intensity of a sound is increased by a factor of 1000, how is the decibel level changed? The new decibel level will be:
 a. three units greater.
  c. thirty times greater.
  b. ten times greater.
  d. twenty units greater.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

janeli

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

C


asmith134

  • Hero Member
  • *****
  • Posts: 576
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


janeli

  • Sr. Member
  • ****
  • Posts: 346
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Shirin Neshat, Rebellious Silence, from the series Women of Allah. Shirin Neshat, Rebellious Silence, from the series Women of Allah.
Carrie Mae Weems, A Negroid Type, from the series From Here I Saw What Happened and I Cried. Carrie Mae Weems, A Negroid Type, from the series From Here I Saw What Happened and I Cried.
The clock generator produces a series of pulses that are used by the microprocessor and other ... The clock generator produces a series of pulses that are used by the microprocessor and other ...
The tools needed to diagnose a circuit containing a relay include a digital multimeter (DMM), a ... The tools needed to diagnose a circuit containing a relay include a digital multimeter (DMM), a ...
Next Series: Digital Life Next Series: Digital Life
The figure shows an LR circuit with a switch and a 240-volt battery. At the instant the switch ... The figure shows an LR circuit with a switch and a 240-volt battery. At the instant the switch ...
Video: Red alga life cycle Animation

For a complete list of videos, visit our video library