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Author Question: Einstein's special theory of relativity deals with objects that are a. being hit by X-rays. b. ... (Read 81 times)

pragya sharda

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on: Jul 28, 2018
Einstein's special theory of relativity deals with objects that are
 a. being hit by X-rays.
  b. entering intense gravitational fields.
  c. moving close to the speed of light.
  d. being hit by energetic photons.

Question 2

A 50-turn circular coil (radius = 15 cm) with a total resistance of 4.0  is placed in a uniform magnetic field directed perpendicularly to the plane of the coil. The magnitude of this field varies with time according to B = A sin (t), where A = 80 T and  = 50 rad/s. What is the magnitude of the current induced in the coil at t = 20 ms?
 a. 11 mA
  b. 18 mA
  c. 14 mA
  d. 22 mA
  e. zero


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djofnc

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Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

a


pragya sharda

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


djofnc

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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