What device passes AC interference to ground and blocks DC ...

[waynest]

What device passes AC interference to ground and blocks DC voltage, and is used to control radio interference?
 
  A) Capacitor B) Transistor C) Coil (inductor) D) Resistor

Question 2

A semiconductor is a material ________.
 
  A) With more than four electrons in the outer orbit of its atoms
  B) With exactly four electrons in the outer orbit of its atoms
  C) Determined by other factors besides the number of electrons
  D) With fewer than four electrons in the outer orbit of its atoms

[janeli1]

Answer to Question 1

A

Answer to Question 2

B