Electronic Principles Most AC power is obtained from: lightning None of these oscillators generators batteries lightning None of these oscillators generators batteries 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 At cut off, the Q point is at middle of the load line upper end of the load line lower end of the load line infinity None of these middle of the load line upper end of the load line lower end of the load line infinity None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The rate of change of the number of lines of magnetic force None of these The concentration of lines of magnetic force The opposition to a build-up of magnetic fields The force that maintains lines of force The rate of change of the number of lines of magnetic force None of these The concentration 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 The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 14.8 µA 7.75 µA 10.3 µA None of these 7.8 µA 14.8 µA 7.75 µA 10.3 µA None of these 7.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 6 81 85 None of these 9 6 81 85 None of these 9 ANSWER DOWNLOAD EXAMIANS APP