Electronic Principles The merging of a free electron and a hole is called None of these Thermal energy Lifetime Recombination Covalent bonding None of these Thermal energy Lifetime Recombination Covalent bonding ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The opposition to a build-up of magnetic fields The concentration of lines of magnetic force The rate of change of the number of lines of magnetic force The force that maintains lines of force None of these The opposition to a build-up of magnetic fields The concentration of lines of magnetic force The rate of change of the number of lines of magnetic force The force that maintains lines of force None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An ideal voltage source has A load dependent voltage Zero internal resistance Infinite internal resistance A load-dependent current None of these A load dependent voltage Zero internal resistance Infinite internal resistance A load-dependent current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: has no effect on the capacitive reactance None of these doubles the amount of capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 7 has no effect on the capacitive reactance None of these doubles the amount of capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 7 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RL circuit? The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltages is less than the sum of the voltages across the resistance and inductance None of these The total voltage lags the total current by less than 90 The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltages is less than the sum of the voltages across the resistance and inductance None of these The total voltage lags the total current by less than 90 The voltage always has the same amplitude and phase for every part of the circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field None of these Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract Current is induced in a conductor that is moving through a magnetic field Current flowing through a conductor generates a magnetic field None of these Like magnetic poles attract, while unlike poles repel Like magnetic poles repel, while unlike poles attract ANSWER DOWNLOAD EXAMIANS APP