Electronic Principles Current is The flow of charged particles through a material None of these The number of free electrons in an atom The force that causes electrons to flow An imbalance of electrical charges The flow of charged particles through a material None of these The number of free electrons in an atom The force that causes electrons to flow An imbalance of electrical charges ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? 250 Ohm 99.3 Ohm 60 Ohm 70.7Ohm None of these 250 Ohm 99.3 Ohm 60 Ohm 70.7Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Molecule is None of these The smallest particle of a substance that retains the properties of that substance A atom that flows whenever there is an imbalance of electrical charges between two points A atom that has a shortage of electrons in its outer orbit A atom that has an excessive number of electrons in its outer orbit None of these The smallest particle of a substance that retains the properties of that substance A atom that flows whenever there is an imbalance of electrical charges between two points A atom that has a shortage of electrons in its outer orbit A atom that has an excessive number of electrons in its outer orbit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? One - a negative terminal Three - negative, positive and neutral terminals None of these Four - two negative and two positive Two - a negative terminal and a positive terminal One - a negative terminal Three - negative, positive and neutral terminals None of these Four - two negative and two positive Two - a negative terminal and a positive terminal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? None of these 18.8 V 20 V 0.17 V 10.17 V None of these 18.8 V 20 V 0.17 V 10.17 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? None of these Thermal energy Valence electrons Free electrons Doping None of these Thermal energy Valence electrons Free electrons Doping ANSWER DOWNLOAD EXAMIANS APP