The carbon-granules microphone works on the principle of change in? by Sunday | Nov 15 | Physics JAMB | 0 comments A. inductance B. resistance C. capacitance D. voltage Correct Answer: Option B – resistance Users Also Read These:When a change in price brings on change in demand,…The photo cell works on the principle of the?The change of the direction of a wavefront as a…A difference between chemical and physical change is…A method of food preservation that works on the…