Author Question: Voltage produced by a generator alternates because A) it produces pulses of current. B) the ... (Read 66 times)

Charlie

  • Hero Member
  • *****
  • Posts: 640
Voltage produced by a generator alternates because
 
  A) it produces pulses of current.
  B) the magnetic field that produces it alternates.
  C) alternations in the mechanical energy input.
  D) effectively it is an ac motor in reverse.
  E) the current it produces alternates.

Question 2

A galvanometer calibrated to read current is
 
  A) an ammeter.
  B) a voltmeter.
  C) an ohm meter.
  D) none of the above



KKcool

  • Sr. Member
  • ****
  • Posts: 340
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

For a complete list of videos, visit our video library