Electronic Principles Doubling the operating frequency of a purely capacitive circuit: doubles the amount of total current None of these thrice the amount of total current cuts the total current by one-half has no effect on the total circuit current doubles the amount of total current None of these thrice the amount of total current cuts the total current by one-half has no effect on the total circuit current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 220 ohm None of these 445 ohm 150 ohm 690 ohm 220 ohm None of these 445 ohm 150 ohm 690 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? None of these 12 V 18 V 24 V 30 V None of these 12 V 18 V 24 V 30 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Molecule is None of these 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 The smallest particle of a substance that retains the properties of that substance A atom that has an excessive number of electrons in its outer orbit None of these 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 The smallest particle of a substance that retains the properties of that substance A atom that has an excessive number of electrons in its outer orbit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 350 µA 0.25 µA 250 µA 300 µA None of these 350 µA 0.25 µA 250 µA 300 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Doping None of these Free electrons Thermal energy Valence electrons Doping None of these Free electrons Thermal energy Valence electrons ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS