Electronic Principles A device that converts mechanical into electrical energy is? None of these generator thermocouple chemical cell solar cell None of these generator thermocouple chemical cell solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 20 W None of these 200 W 1000 W 100 W 20 W None of these 200 W 1000 W 100 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: None of these One-half the primary current Same as the primary current No more than 10% less than the primary current Twice the primary current None of these One-half the primary current Same as the primary current No more than 10% less than the primary current Twice the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? decreases increases stays the same None of these any of the above decreases increases stays the same None of these any of the above ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? Inductive reactance is an opposition to current flow in dc circuits None of these Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is another term for counter emf Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is an opposition to current flow in dc circuits None of these Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is another term for counter emf Inductive reactance is a force that tends to overcome the effects of counter emf ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Decreases None of these 0oC Increases Stays the same Decreases None of these 0oC Increases Stays the same ANSWER DOWNLOAD EXAMIANS APP