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

Author Question: A light bulb with a tungsten filament is attached to a source of variable voltage. As the voltage is ... (Read 206 times)

Bob-Dole

  • Hero Member
  • *****
  • Posts: 547
on: Jul 28, 2018
A light bulb with a tungsten filament is attached to a source of variable voltage. As the voltage is increased on the bulb,
 a. the bulb's resistance decreases.
  b. the bulb's resistance increases.
  c. the power dissipated remains constant.
  d. the current in the bulb decreases.

Question 2

A syringe has an inside radius of its barrel of 0.50 cm and at the opening at the end of the needle the radius is 1.0 mm. If a force F is applied to the plunger, what is the force produced at the opening of the needle?
 a. 5F
  c. F/5
  b. 25F
  d. F/25


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Zack0mack0101@yahoo.com

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

D


Bob-Dole

  • Member
  • Posts: 547
Reply 2 on: Jul 28, 2018
:D TYSM

mcarey591

  • Member
  • Posts: 365
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

moon light moon light
The sliding filament model of muscle contraction The sliding filament model of muscle contraction
Structure of a Triglyceride A triglyceride consists of three fatty acids attached to a glycerol back Structure of a Triglyceride A triglyceride consists of three fatty acids attached to a glycerol back
Dried fruits are good source of sulfur Dried fruits are good source of sulfur
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 ...
Variable penetrance of mitochondrial mutations Variable penetrance of mitochondrial mutations
Video: The primary factors that affect circulation - MABP, CO and SVR

For a complete list of videos, visit our video library