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

Author Question: A resistor operated at 120 V dc is rated at 1.40 kW. (a) What is the normal operating current ... (Read 74 times)

BRWH

  • Hero Member
  • *****
  • Posts: 553
on: Jul 29, 2018
A resistor operated at 120 V dc is rated at 1.40 kW.
 
  (a) What is the normal operating current through the resistor?
  (b) What is the resistance of the resistor?

Question 2

The eyepiece of a compound microscope has a focal length of 2.50 cm and the objective has a focal length of 1.60 cm. The two lenses are separated by 15.0 cm. The microscope is used by a person with normal eyes (near point at 25 cm).
 
  What is the angular magnification of the microscope?
  A) 195 x B) 125 x C) 94 x D) 234 x E) 78 x


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Ptupou85

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 29, 2018
Answer to Question 1

(a) 11.7 A (b) 10.3

Answer to Question 2

E


BRWH

  • Member
  • Posts: 553
Reply 2 on: Jul 29, 2018
Wow, this really help

ghepp

  • Member
  • Posts: 361
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Normal conduction pathway in the heart Normal conduction pathway in the heart
The Normal Distribution of Scores for a Standardized Intelligence Test The Normal Distribution of Scores for a Standardized Intelligence Test
Normal red blood cells (RBCs) are flexible and donut-shaped and move with ease through blood ... Normal red blood cells (RBCs) are flexible and donut-shaped and move with ease through blood ...
Testing an oxygen sensor using a DMM set on DC volts. With the engine operating in closed loop, ... Testing an oxygen sensor using a DMM set on DC volts. With the engine operating in closed loop, ...
Start the fuel injector cleaning process by bringing the vehicle’s engine up to operating ... Start the fuel injector cleaning process by bringing the vehicle’s engine up to operating ...
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: Isovolumetric VC, Ventricular ejection, Isovolumetric & Passive ventricular filling

For a complete list of videos, visit our video library