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

Author Question: A coil with a self-inductance of 0.75 mH experiences a constant current buildup from zero to 15 A in ... (Read 74 times)

roselinechinyere27m

  • Hero Member
  • *****
  • Posts: 557
on: Jul 28, 2018
A coil with a self-inductance of 0.75 mH experiences a constant current buildup from zero to 15 A in 0.25 s. What is the induced emf during this interval?
 a. 0.045 V
  c. 0.030 V
  b. 0.47 V
  d. 0.019 V

Question 2

If the torsion constant of the suspension fiber in the Cavendish experiment were doubled, what would happen to the frequency of oscillation? The last two answers have been rounded to 2 significant figures.
 a. It would double.
  c. It would increase by a factor of 1.4.
  b. It would halve.
  d. It would decrease by a factor of 0.71.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

beccamahon

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

C


roselinechinyere27m

  • Member
  • Posts: 557
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

shailee

  • Member
  • Posts: 392
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Medication errors are three times higher among children and infants than with adults.

A buildup of beta amyloid plaques and tangled strands of tau protein interferes with neuronal ... A buildup of beta amyloid plaques and tangled strands of tau protein interferes with neuronal ...
A magnetic sensor uses a permanent magnet surrounded by a coil of wire. The notches of the ... A magnetic sensor uses a permanent magnet surrounded by a coil of wire. The notches of the ...
Measuring the resistance of an HEI pickup coil using a digital multimeter set to the ohms position. ... Measuring the resistance of an HEI pickup coil using a digital multimeter set to the ohms position. ...
To reverse the direction of operation, the polarity of the current through the motor is reversed. To reverse the direction of operation, the polarity of the current through the motor is reversed.
A current model for protein secretion by prokaryotes A current model for protein secretion by prokaryotes
Drawing of Central PompeII In Its Current State Drawing of Central PompeII In Its Current State
Video: Hypoglycemia Animation

For a complete list of videos, visit our video library