________ microphones works on piezoelectric effect? – McqOptions

MCQOPTIONS

1.	________ microphones works on piezoelectric effect?
A.	Crystal
B.	Carbon
C.	Moving coil
D.	Condenser
Answer» B. Carbon

Discussion

No Comment Found

Related MCQs

If modulation index of an AM wave is increased from 1.5 to 2, then the transitted power ________
________ microphones works on piezoelectric effect.
The voltage and electric current of a line are respectively 5kV and 1000μA. Find its power?
Inductance and capacitance of a line is 0.8 μH⁄m and 32 pF⁄m. Find Z0?
If the modulating frequency of a carrier wave varies between 700Hz and 7KHz, find it’s bandwidth?
IF_MODULATION_INDEX_OF_AN_AM_WAVE_IS_INCREASED_FROM_1.5_TO_2,_THEN_THE_TRANSITTED_POWER_________?$
________ microphones works on piezoelectric effect?
The voltage and electric current of a line are respectively 5kV and 1000‚âà√≠¬¨‚à´A. Find its power?$
If average power of a transmitter is 4kW and maximum power is 20000KW. What is its duty cycle?
A 1000 KHz carrier is modulated with 300 Hz, 8000 Hz and 2 KHz waves. Determine the frequencies whose chances of occurring in output is least?