WorksheetsECET103 - Quiz #2 - Microphones
Total questions: 16
Worksheet time: 8mins
what makes a microphone omni-directional?
reflection
refraction
diffraction
pressure gradient
On what principle does a moving-coil microphone work?
emf induction
motor
amplifier
oscillator
which of the following microphones is not a pressure microphone?
moving coil
ribbon
capacitor
crystal
In a ribbon microphone, what of the following is responsible for frequency response being higher than a moving-coil type?
mass
friction
compliance
magnet
which of the following microphones is called a velocity microphone?
carbon
capacitor
moving coil
ribbon
which microphone's directivity is like a figure-of-eight?
moving coil
ribbon
crystal
capacitor
what is the impedance of a ribbon type microphone?
less than 1 ohm
100 - 1000 ohm
1 m ohm
100 m ohm
which microphone uses piezoelectric effect?
moving
crystal
ribbon
capacitor
which crystal is the best for a crystal microphone?
quartz
tourmaline
rochelle salt
ceramic
which type of microphone has the best frequency response?
capacitor
crystal
carbon
moving coil
which microphones need an external dc voltage?
moving coil and ribbon
crystal and electret
capacitor and carbon
ribbon and hypercardioid
cardioid microphone is obtained by a combination of the following two microphones
carbon and condenser
ribbon and moving coil
crystal and condenser
carbon and crystal
which microphone has the highest sensitivity?
moving coil
capacitor
crystal
carbon
which microphone has the lowest frequency range?
moving coil
capacitor
crystal
carbon
what is the cause of rumble noise in PA system?
nervousness of the speaker
wind
breathing sound
bad microphone
which microphone is the best for face-to-face dialogues in dramas?
moving coil
ribbon
crystal
capacitor
