« previous next »

Author Question: A vertical wire carries a current straight down. To the east of this wire, the magnetic field points ... (Read 159 times)

cdr_15

  • Hero Member
  • *****
  • Posts: 546
on: Jul 29, 2018
A vertical wire carries a current straight down. To the east of this wire, the magnetic field points
 
  A)
 
  north.
  B)
 
  east.
  C)
 
  west.
  D)
 
  south.
  E)
 
  down.

Question 2

The windings of a motor have a resistance of 4.0 . The counter emf of this motor when connected to a 120-V line and running at full speed is 104 V.
 
  (a) What is the start up current of this motor? (b) What is the current in the motor when running at full speed?


cswans24

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

(a) 30 A
(b) 4 A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

cdr_15

  • Hero Member
  • *****
  • Posts: 546
Reply #2 on: Jul 29, 2018
TY


cswans24

  • Sr. Member
  • ****
  • Posts: 317
Reply #3 on: Jul 29, 2018
You're welcome


« previous next »
 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Primary pulse points of the body. Primary pulse points of the body.
A typical pedestal grinder with a wire wheel on the left side and a stone wheel on the right side. ... A typical pedestal grinder with a wire wheel on the left side and a stone wheel on the right side. ...
Chilling Effect of a Cold Current Chilling Effect of a Cold Current
A silver wire with a resistivity of 1.59E-8 Ωm has a radius of 14.1 mm. A silver wire with a resistivity of 1.59E-8 Ωm has a radius of 14.1 mm.
Find the voltage, current and power for each resistor in the circuit below Find the voltage, current and power for each resistor in the circuit below
A horizontal, 2.00 m long, 3.00 kg uniform beam that lies along the east-west di A horizontal, 2.00 m long, 3.00 kg uniform beam that lies along the east-west di
Video: Four Giant Convection Cells oF Earth

For a complete list of videos, visit our video library