1 ASSIGNMENT 1 Textbook assignment: Chapter 1, “Amplifiers,” pages 1-1 through 1-40.  Chapter 2, “Video and RF Amplifiers,” pages 2-1 through 2-34. _________________________________________________________________________________ 1-1.   The control of an output signal by an input signal resulting in the output signal having some (or all) of the characteristics of the input signal is known by which of the following terms? 1.    Multiplication 2.    Magnification 3.    Amplification 4.    Addition 1-2.   Which of the following statements describes the relationship of input and output signals in a amplifier? 1.    The input signal is actually changed into the output signal 2.    Both the input and output signal are unchanged; neither is affected by the other 3.    The input signal is controlled by the output signal and the output signal remains unchanged 4.    The input signal remains unchanged and the output signal is controlled by the input signal 1-3.   Why are amplifiers used in electronic devices? 1.    To provide signals of usable amplitude 2.    To "pick up" broadcast signals 3.    To select the proper broadcast signal 4.    To change the broadcast signal to an audio signal 1-4.   Most amplifiers can be classified in which of the following ways? 1.    Function and size 2.    Power requirements and size 3.    Function and frequency response 4.    Frequency response and power requirements 1-5.   The speaker system of a record player should be driven by which of the following types of amplifier? 1.    An audio power amplifier 2.    A video voltage amplifier 3.    A direct-current voltage amplifier 4.    An alternating-current rf amplifier 1-6.   The signal from a radio antenna should be amplified by which of the following types of amplifier? 1.    An rf voltage amplifier 2.    A video power amplifier 3.    A direct-current audio amplifier 4.    An alternating-current power amplifier 1-7.   The class of operation of an amplifier is determined by which of the following factors? 1.    The gain of the stage 2.    The efficiency of the amplifier 3.    The amount of time (in relation to the input signal) that current flows in the output circuit 4.    The amount of current (in relation to the input-signal current) that flows in the output circuit