Author Question: When 1.0-C point charge is 15 m from a second point charge, the force each one experiences a force ... (Read 89 times)

Destiiny22

  • Hero Member
  • *****
  • Posts: 557
When 1.0-C point charge is 15 m from a second point charge, the force each one experiences a force of 1.0 N. What is the magnitude of the second charge? (k = 1/40 = 9.0  109 N  m2/C2 )
 
  A) 25 C B) 25 nC C) 0.025 C D) 1.0 C E) 10 nC

Question 2

A circular coil of radius 5.0 cm and resistance 0.20  is placed in a uniform magnetic field perpendicular to the plane of the coil. The magnitude of the field changes with time according to B = 0.50e-20t T.
 
  What is the magnitude of the current induced in the coil at the time t = 2.0 s?
  A) 4.2 mA B) 2.6 mA C) 7.5 mA D) 1.3 mA E) 9.2 mA


lin77x

  • Sr. Member
  • ****
  • Posts: 326
Answer to Question 1

B

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

For a complete list of videos, visit our video library