Author Question: The current consumed by a digital wristwatch is 20 A. What is the equivalent resistance of the watch ... (Read 126 times)

Themember4

  • Hero Member
  • *****
  • Posts: 538
The current consumed by a digital wristwatch is 20 A. What is the equivalent resistance of the watch if it is powered by a 1.5 V battery?
 
  A) 75  B) 33.3 k C) 75 k D) 30

Question 2

How much current will a 120 V motor with a 5 hp output and 70 efficiency draw?
 
  What will be an ideal response?



Athena23

  • Sr. Member
  • ****
  • Posts: 305
Answer to Question 1

C

Answer to Question 2

44.4 A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

For a complete list of videos, visit our video library