This topic contains a solution. Click here to go to the answer

Author Question: A solar cell with an efficiency of 12 drives a small motor with an efficiency of 85. What is the ... (Read 43 times)

urbanoutfitters

  • Hero Member
  • *****
  • Posts: 530
A solar cell with an efficiency of 12 drives a small motor with an efficiency of 85. What is the overall efficiency of the system?
 
  What will be an ideal response?

Question 2

Two 100 k resistors are wired in series across a 20 V source. How much voltage does each resistor drop?
 
  A) 10 V B) 100 mA C) 20 V D) 100 k



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

yotaSR5

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

10.2

Answer to Question 2

A




urbanoutfitters

  • Member
  • Posts: 530
Reply 2 on: Jul 28, 2018
Gracias!


cici

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

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.

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?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

For a complete list of videos, visit our video library