Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the emitter current base current collector current None of these supply current emitter current base current collector current None of these supply current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An ideal voltage source has Infinite internal resistance A load dependent voltage Zero internal resistance None of these A load-dependent current Infinite internal resistance A load dependent voltage Zero internal resistance None of these A load-dependent current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The merging of a free electron and a hole is called Thermal energy None of these Covalent bonding Lifetime Recombination Thermal energy None of these Covalent bonding Lifetime Recombination ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? 0.93 V 0.041666666666667 None of these 0.93 W 9.3 W 0.93 V 0.041666666666667 None of these 0.93 W 9.3 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Doping Thermal energy Free electrons None of these Valence electrons Doping Thermal energy Free electrons None of these Valence electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best describes magnetic hysteresis? Hysteresis is most apparent when the core material is saturated Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet None of these Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently Hysteresis is most apparent when the core material is saturated Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet None of these Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently ANSWER DOWNLOAD EXAMIANS APP
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