Electronic Principles The barrier potential accross each depletion layer is 0.8 V 20 V None of these 0.7 V 0.8 V 20 V None of these 0.7 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Free electrons None of these Thermal energy Valence electrons Doping Free electrons None of these Thermal energy Valence electrons Doping ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Four - two negative and two positive None of these One - a negative terminal Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal Four - two negative and two positive None of these One - a negative terminal Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: piezoeletric cells voltage generators chemical cells solar cells None of these piezoeletric cells voltage generators chemical cells solar cells None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: None of these a good conductor a good insulator a poor conductor of electrostatic fields a good conductor of magnetic fields None of these a good conductor a good insulator a poor conductor of electrostatic fields a good conductor of magnetic fields ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? P = IE I = P/E P = I2R P = E2/R None of these P = IE I = P/E P = I2R P = E2/R None of these ANSWER DOWNLOAD EXAMIANS APP
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