Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the base current emitter current None of these supply current collector current base current emitter current None of these supply current collector current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of a generator? Like magnetic poles attract; unlike poles repel Like magnetic poles repel; unlike poles attract None of these Current flowing through a conductor generates a magnetic field Current is induced in a conductor that is moving through a magnetic field Like magnetic poles attract; unlike poles repel Like magnetic poles repel; unlike poles attract None of these Current flowing through a conductor generates a magnetic field Current is induced in a conductor that is moving through a magnetic field ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a current gain of 175. If the base current is 0.1 mA, what is the collector current? None of these 175 mA 1.75 mA 1750 mA 17.5 mA None of these 175 mA 1.75 mA 1750 mA 17.5 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 0.3V 1 V 0.7V None of these 2 m V per degree Celsius 0.3V 1 V 0.7V None of these 2 m V per degree Celsius ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 200 mA 208 mA 7.8 mA 300 mA None of these 200 mA 208 mA 7.8 mA 300 mA None of these 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% 22, 000 Ohm, 10% 220 Ohm, 10% 22,000 Ohm, 5% None of these 220 Ohm, 5% 22, 000 Ohm, 10% 220 Ohm, 10% 22,000 Ohm, 5% None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS