« previous next »

Author Question: A vertical wire carries a current straight down. To the east of this wire, the magnetic field points ... (Read 194 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?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

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.

Field Spaniel Field Spaniel
Use strong leg muscles, keeping back straight, when lifting. Use strong leg muscles, keeping back straight, when lifting.
Some Hall-effect sensors look like magnetic sensors. This Hall-effect camshaft reference sensor and ... Some Hall-effect sensors look like magnetic sensors. This Hall-effect camshaft reference sensor and ...
A multiport fuel injector. Notice that the fuel flows straight through and does not come in contact ... A multiport fuel injector. Notice that the fuel flows straight through and does not come in contact ...
Flexion of the hip with straight knee Flexion of the hip with straight knee
How many electrons flow past a given cross section of the wire in 10.3 min? electrons How many electrons flow past a given cross section of the wire in 10.3 min? electrons
Video: Protein Secondary and Tertiary Structures - Animation

For a complete list of videos, visit our video library