The internal source resistance of a microphone and the capacitance of the microphone cable form what type of filter network at the input of the amplifier?
A. High-pass filter
B. Low-pass filter
C. Bandpass filter
D. Notch filter
B. Low-pass filter
You might also like to view...
A milliamp is ________
A) one-thousandth of an ampere B) one million amps C) one-millionth of an ampere
Which of the following statements about the phrase “conducting body that extends the ground connection” is not true?
A. It is defined in the NEC®. B. It is conduit or wire that extends from the point where an “earth connection” is made. C. It is an 8 ft ground rod with a resistance of 25 ohms or less. D. It is a grounding electrode consisting of the structural metal frame of a building.
Why is the torque/angle bolt tightening method preferred by many manufacturers over the straight torque method?
A compound generator has both series and shunt field windings. When those windings are connected so they aid each other in the production of magnetism, that connection is called _____.
A. cumulative-compound B. differential-compound