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

Author Question: A 500 k potentiometer is connected across a 5 V source. If the voltage from the wiper to the lower ... (Read 68 times)

dalyningkenk

  • Hero Member
  • *****
  • Posts: 598
on: Jul 28, 2018
A 500 k potentiometer is connected across a 5 V source. If the voltage from the wiper to the lower end of the potentiometer is 1.2 V, what is the resistance of that lower part?
 
  A) 380 k B) 0  C) 500 k D) 120 k

Question 2

A 22 k and 12 k resistor are connected across a 68 V source. How is the voltage divided?
 
  A) 68 V and 68 V B) 22 V and 12 V C) 44 V and 24 V D) 34 V and 34 V


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ambernicolefink

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

C


dalyningkenk

  • Hero Member
  • *****
  • Posts: 598
Reply #2 on: Jul 28, 2018
TY


ambernicolefink

  • Sr. Member
  • ****
  • Posts: 359
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

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?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Telomere length is related to the amount of time adults spend in leisure time activity. Source: Ada Telomere length is related to the amount of time adults spend in leisure time activity. Source: Ada
The oil pressure switch is connected to a warning lamp that alerts the driver of low oil pressure. The oil pressure switch is connected to a warning lamp that alerts the driver of low oil pressure.
Some ignition coils are electrically connected, called married (top figure), whereas others use ... Some ignition coils are electrically connected, called married (top figure), whereas others use ...
A DC voltage is applied across the spark plug gap after the plug fires and the circuit can determine ... A DC voltage is applied across the spark plug gap after the plug fires and the circuit can determine ...
Measles rash. (© Lowell Georgia/Science Source/Photo Researchers, Inc.) Measles rash. (© Lowell Georgia/Science Source/Photo Researchers, Inc.)
How much voltage does the resistor drop in Figure 10-2? a. 59 mV b. 19.94 V c. 20 V d. 10 V How much voltage does the resistor drop in Figure 10-2? a. 59 mV b. 19.94 V c. 20 V d. 10 V
Video: Deafness Culture

For a complete list of videos, visit our video library