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 63 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
Gracias!

ASDFGJLO

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Everyone has one nostril that is larger than the other.

Features of normal metaphase chromosomes. Features of normal metaphase chromosomes.
Maintenance of normal blood glucose levels. Maintenance of normal blood glucose levels.
Past and current ranges of the grizzly bear. Past and current ranges of the grizzly bear.
2 Several oxygen-binding curves: for normal hemoglobin 2 Several oxygen-binding curves: for normal hemoglobin
Pressure testing the cooling system. A typical hand-operated pressure tester applies pressure equal ... Pressure testing the cooling system. A typical hand-operated pressure tester applies pressure equal ...
Normal nerve conduction of Sodium ion Normal nerve conduction of Sodium ion
Video: A Human Karyotype Preparation Animation

For a complete list of videos, visit our video library