Electronic Principles Which one of the following phrasers best describes flux density? The concentration of lines of magnetic force None of these The rate of change of the number of lines of magnetic force The opposition to a build-up of magnetic fields The force that maintains lines of force The concentration of lines of magnetic force None of these The rate of change of the number of lines of magnetic force The opposition to a build-up of magnetic fields The force that maintains lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is The smallest electrically charged particle The flow of charged particles through a material None of these The number of free electrons in an atom Trie force that causes electrons to flow The smallest electrically charged particle The flow of charged particles through a material None of these The number of free electrons in an atom Trie force that causes electrons to flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: has no effect on the total circuit current thrice the amount of total current None of these doubles the amount of total current cuts the total current by one-half has no effect on the total circuit current thrice the amount of total current None of these doubles the amount of total current cuts the total current by one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RL circuit? The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents through the resistance and inductance The total current leads the total voltage by less than 90 None of these The total current is less than the sum of the currents through the resistance and inductance The current always has the same amplitude and phase for every part of the circuit The total current is equal to the sum of the currents through the resistance and inductance The total current leads the total voltage by less than 90 None of these The total current is less than the sum of the currents through the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point nowhere off the load line None of these up down nowhere off the load line None of these up down ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 38.74 V 37.4 V 30.4 V None of these 35.4 V 38.74 V 37.4 V 30.4 V None of these 35.4 V ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS