Doubling the number of loops of wire in a coil produces what kind ...

[segrsyd]

Doubling the number of loops of wire in a coil produces what kind of change on the induced emf, assuming all other factors remain constant?
 
  A) The induced emf is 4 times as much.
  B) There is no change in the induced emf.
  C) The induced emf is twice as much.
  D) The induced emf is times as much.
  E) The induced emf is 3 times as much.

Question 2

The volume coefficient of thermal expansion for gasoline is 9.50  10-4 per degree C. By how much does the volume of 1 L of gasoline change when the temperature rises from 20.C to 40.C?
 
  A) 37. cm3
  B) 6.0 cm3
  C) 19. cm3
  D) 24. cm3
  E) 12. cm3

[AaaA]

Answer to Question 1

C

Answer to Question 2

C