MDCAT Physics MCQ #1238

MDCAT Physics MCQ #1238

1. Question 1

   Q1. A transistor amplifier is said to be in class A operation when

   • A) the collector current flows for the entire cycle
   • B) the collector current flows for half the cycle
   • C) the collector current flows for more than half but less than the entire cycle
   • D) the collector current is zero

   Answer: the collector current flows for the entire cycle

   Explanation: Class A amplifiers have collector current throughout the input cycle.