calcula el valor de la resistencia de proteccion que se debe situar en serie con un led, con caida de voltaje de 2V en polarizacion directa, para que por el circule una intensidad de 20 mA al conectarlos a una pila de 5V.

Simon says is a memory game where "simon" outputs a sequence of 10 characters (r, g, b, y) and the user must repeat the sequence. create a for loop that compares the two strings starting from index 0. for each match, add one point to userscore. upon a mismatch, exit the loop using a break statement. assume simonpattern and userpattern are always the same length. ex: the following patterns yield a userscore of 4: simonpattern: rrgbryybgy userpattern: rrgbbrybgy

Before you record your own voice, you should a. record other people's voices b. warm up and practice difficult names c. listen to your favorite songs d. read a transcript of a good radio news segment

1. for which of the following are you not required to signal beforehand? a. changing lanes b. speeding up c. stopping