Radio receivers are usually tuned by adjusting the capacitor of an lc circuit. If c = c_1 for a frequency of 600 khz, then for a frequency of 1200 khz one must adjust c to:

2(4p+1)/5< = (3+12p)/4 its less than or equal solve it for me an with explanation plz

Why should children should be allowed to vote at elections? explain

Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b