Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Free electrons Thermal energy None of these Doping Valence electrons Free electrons Thermal energy None of these Doping Valence electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is None of these The number of free electrons in an atom An imbalance of electrical charges The flow of charged particles through a material The force that causes electrons to flow None of these The number of free electrons in an atom An imbalance of electrical charges The flow of charged particles through a material The force that causes electrons to flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6 V and 9 V, what is the total source voltage? None of these 8 V 3 V 7.5 V 16 V None of these 8 V 3 V 7.5 V 16 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has how many doped regions? None of these 4 2 1 3 None of these 4 2 1 3 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more electrons than neutrons None of these An atom that contains more protons than neutrons An atom that contains more protons than electrons An atom that contains more electrons than protons An atom that contains more electrons than neutrons None of these An atom that contains more protons than neutrons An atom that contains more protons than electrons An atom that contains more electrons than protons 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 Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal One - a negative terminal Four - two negative and two positive None of these Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal One - a negative terminal ANSWER DOWNLOAD EXAMIANS APP
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