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

Author Question: A 7.0- resistor is connected across the terminals of a battery having an internal emf of 10 V. If ... (Read 53 times)

dmcintosh

  • Hero Member
  • *****
  • Posts: 517
on: Jul 29, 2018
A 7.0- resistor is connected across the terminals of a battery having an internal emf of 10 V. If there is a 0.50-A current through the circuit, what is the internal resistance of the battery?
 
  A) 13
  B) 20
  C) 10.8
  D) 27.0

Question 2

A thin uniform film of oil that can be varied in thickness covers a sheet of glass of refractive index 1.52.
 
  The refractive index of the oil is 1.64. Light of wavelength 555 nm is shone from air at normal incidence on the film. Starting with no oil on the glass, you gradually increase the thickness of the oil film until the first interference maximum in the reflected light occurs. What is the thickness of the oil film at that instant?
  A) 139 nm
  B) 169 nm
  C) 183 nm
  D) 84.6 nm
  E) 91.3 nm


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

k2629

  • Sr. Member
  • ****
  • Posts: 357
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

D


dmcintosh

  • Member
  • Posts: 517
Reply 2 on: Jul 29, 2018
Wow, this really help

tuate

  • Member
  • Posts: 332
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

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?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Internal female reproductive organs. Internal female reproductive organs.
Insert the terminals into the relay socket in 30 and 87. Insert the terminals into the relay socket in 30 and 87.
To retrieve flash codes from an OBD-I General Motors vehicle, connect terminals A and B with the ... To retrieve flash codes from an OBD-I General Motors vehicle, connect terminals A and B with the ...
Internal female reproductive tract. Internal female reproductive tract.
SSRIs block the reuptake of serotonin into nerve terminals, resulting in increased serotonin levels. SSRIs block the reuptake of serotonin into nerve terminals, resulting in increased serotonin levels.
Bacteria with Internal Membranes Bacteria with Internal Membranes
Video: Four Giant Convection Cells oF Earth

For a complete list of videos, visit our video library