4 1-27.   What type feedback is provided if the feedback signal is out of phase with the input signal? 1.    Unbypassed 2.    Bypassed 3.    Negative 4.    Positive 1-28.   What type of feedback is provided by a capacitor connected across the emitter- resistor in a common-emitter transistor amplifier? 1.    Bypassed 2.    Positive 3.    Negative 4.    Unbypassed 1-29.   What are the (a) inputs and (b) outputs of a phase splitter? 1.    (a) Two signals in phase (b) One signal 2.    (a) Two signals out of phase (b) One signal 3.    (a) One signal (b) Two signals in phase 4.    (a) One signal (b) Two signals out of phase 1-30.   A single-stage, two transistor amplifier that uses a phase splitter input is classified as what type of amplifier? 1.    Inverse 2.    Push-pull 3.    Phase splitter 4.    Regenerative 1-31.   Which of the following is a common use for a push-pull amplifier? 1.    The first stage of a video amplifier 2.    The amplifier stage connected directly to an antenna 3.    The second stage in a four stage rf amplifier 4.    The final stage in an audio amplifier 1-32.   What is the advantage of a push-pull amplifier as compared to a single transistor amplifier? 1.    Lower cost 2.    Fewer parts 3.    Higher gain 4.    Less power usage 1-33.   To provide good fidelity output signals, which of the following classes of operation CANNOT be used by a push- pull amplifier? 1.    A 2.    B 3.    C 4.    AB 1-34.   What is the bandwidth of an amplifier? 1.    The actual frequencies the amplifier is effective in amplifying 2.    The difference between the high and low frequencies seen at the input of the amplifier 3.    The width, in inches, between the half-power points on a frequency- response curve 4.    The difference between the lowest and highest frequency shown on a frequency-response curve THIS SPACE LEFT BLANK INTENTIONALLY.