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

Author Question: Two 100-W light bulbs of fixed resistance are to be connected to an ideal 120-V source. What are the ... (Read 32 times)

colton

  • Hero Member
  • *****
  • Posts: 627
on: Jul 29, 2018
Two 100-W light bulbs of fixed resistance are to be connected to an ideal 120-V source. What are the current, potential difference, and dissipated power for each bulb when they are connected
 
  (a) in parallel (the normal arrangement)?
  (b) in series?

Question 2

A small 175-g ball on the end of a light string is revolving uniformly on a frictionless surface in a horizontal circle of diameter 1.0 m.
 
  The ball makes 2.0 revolutions every 1.0 s.
  (a) What are the magnitude and direction of the acceleration of the ball?
  (b) Find the tension in the string.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

batool

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jul 29, 2018
Answer to Question 1

(a) 0.83 A in each; 120 V for each; 100 W in each (200 W total)
(b) 0.42 A in each; 60 V for each; 25 W in each (50 W total)

Answer to Question 2

(a) 79.0 m/s2 toward the center of the circle (b) 13.8 N


colton

  • Member
  • Posts: 627
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

chjcharjto14

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

(A) Scratch test; patient is exposed to allergens through a light scratch on the skin; (B) Positive (A) Scratch test; patient is exposed to allergens through a light scratch on the skin; (B) Positive
Timing of teratogens. Vulnerability to teratogens is greatest in the embryonic period. Source: Moore Timing of teratogens. Vulnerability to teratogens is greatest in the embryonic period. Source: Moore
Acquired resistance. Acquired resistance.
Using a vacuum hose and a grounded test light to ground one cylinder at a time on a DIS. This works ... Using a vacuum hose and a grounded test light to ground one cylinder at a time on a DIS. This works ...
Apply light effleurage around abdomen in a large circle with the palm of a flat hand. Apply light effleurage around abdomen in a large circle with the palm of a flat hand.
How wide must a narrow slit be if the first diffraction minimum occurs at 12 with laser light ... How wide must a narrow slit be if the first diffraction minimum occurs at 12 with laser light ...
Video: Introduction to Sickle Cell Anemia

For a complete list of videos, visit our video library