100 kW is transmitted down a 6- line at 1000 V. How much less ...

[sc00by25]

100 kW is transmitted down a 6- line at 1000 V. How much less power would be lost if the power were transmitted at 3000 V instead of at 1000 V?
 
  A)
 
  1.0 kW
  B)
 
  10 kW
  C)
 
  30 kW
  D)
 
  45 kV
  E)
 
  53 kW

Question 2

An electron moving perpendicular to a magnetic field of 3.2  10-2 T moves in a circle of radius 0.40 cm. How fast is this electron moving?
 
  A)
 
  2.3  107 m/s
  B)
 
  1.9  10-53 m/s
  C)
 
  1.9  10-30 m/s
  D)
 
  3.0  109 m/s
  E)
 
  0.80  107 m/s

[kingfahad97]

Answer to Question 1

E

Answer to Question 2

A

[sc00by25]

TYSM

[dyrone]

Gracias!