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 200 W None of these 100 W 1000 W 20 W 200 W None of these 100 W 1000 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A real voltage source has A small internal resistance A large internal resistance Infinite internal resistance None of these Zero internal resistance A small internal resistance A large internal resistance Infinite internal resistance None of these Zero internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 7.5 V 15 V None of these 16 V 8 V 7.5 V 15 V None of these 16 V 8 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? None of these All of these Current and voltages are in phase through a resistor Current leads the voltage through a resistor Current lags the voltage through a resistor None of these All of these Current and voltages are in phase through a resistor Current leads the voltage through a resistor Current lags the voltage through a resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between the kinds of charges for an electron and a proton? An electron has a positive charge and a proton has no charge An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has a positive charge None of these An electron has a negative charge and a proton has no charge An electron has a positive charge and a proton has no charge An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has a positive charge None of these An electron has a negative charge and a proton has no charge ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? Same number as free electrons None of these less than the free electrons Only those produced by thermal energy many Same number as free electrons None of these less than the free electrons Only those produced by thermal energy many ANSWER DOWNLOAD EXAMIANS APP