Electronic Principles Most AC power is obtained from: generators lightning oscillators batteries None of these generators lightning oscillators batteries None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the collector current base current None of these emitter current supply current collector current base current None of these emitter current supply current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A real voltage source has Infinite internal resistance A large internal resistance None of these A small internal resistance Zero internal resistance Infinite internal resistance A large internal resistance None of these A small internal resistance Zero internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 7.5 V 8 V None of these 3 V 16 V 7.5 V 8 V None of these 3 V 16 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold 220 Ohm, 5% None of these 220 Ohm, 10% 22, 000 Ohm, 10% 22,000 Ohm, 5% 220 Ohm, 5% None of these 220 Ohm, 10% 22, 000 Ohm, 10% 22,000 Ohm, 5% ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: reduces the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals None of these reduces the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals None of these ANSWER DOWNLOAD EXAMIANS APP