Electronic Principles Positive ions are atoms that have Gained an electron Gained a proton Lost a proton Lost an electron None of these Gained an electron Gained a proton Lost a proton Lost an electron None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? All of these Current lags the voltage through a resistor Current leads the voltage through a resistor Current and voltages are in phase through a resistor None of these All of these Current lags the voltage through a resistor Current leads the voltage through a resistor Current and voltages are in phase through a resistor None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from zero to its peak value from 10% of the peak value to 90% of the peak value from 10% of the peak value to 70.7% of the peak value from zero to its rms value None of these from zero to its peak value from 10% of the peak value to 90% of the peak value from 10% of the peak value to 70.7% of the peak value from zero to its rms value None of these 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: Same as the primary current Twice the primary current None of these One-half the primary current No more than 10% less than the primary current Same as the primary current Twice the primary current None of these One-half the primary current No more than 10% less than the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts light energy to electrical energy is called a: photodiode solar cell None of these photo transistor thermocouple photodiode solar cell None of these photo transistor thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? many 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 ANSWER DOWNLOAD EXAMIANS APP