Electronic Principles Most AC power is obtained from: None of these oscillators batteries generators lightning None of these oscillators batteries generators lightning ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? P = E2/R None of these P = IE P = I2R I = P/E P = E2/R None of these P = IE P = I2R I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The merging of a free electron and a hole is called None of these Thermal energy Covalent bonding Recombination Lifetime None of these Thermal energy Covalent bonding Recombination Lifetime 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? 7.8 µA 14.8 µA None of these 7.75 µA 10.3 µA 7.8 µA 14.8 µA None of these 7.75 µA 10.3 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is another term for counter emf None of these Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is another term for counter emf None of these Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is an opposition to current flow in ac circuits ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 6 Ohm 50 Ohm or more 100 Ohm None of these 5 Ohm 6 Ohm 50 Ohm or more 100 Ohm None of these 5 Ohm ANSWER DOWNLOAD EXAMIANS APP