Electronic Principles A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff? 100 Ohm or more 50 Ohm 60 Ohm None of these 10 Ohm 100 Ohm or more 50 Ohm 60 Ohm None of these 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature 0oC Stays the same Increases Decreases None of these 0oC Stays the same Increases Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? Number of lines of force None of these Flux density Reluctance Magnetomotive force Number of lines of force None of these Flux density Reluctance Magnetomotive force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 60 Ohm None of these 754 Ohm 120 Ohm 30 Ohm 60 Ohm None of these 754 Ohm 120 Ohm 30 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The barrier potential accross each depletion layer is 0.8 V 0.7 V None of these 20 V 0.8 V 0.7 V None of these 20 V 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 zero to its rms value from 10% of the peak value to 70.7% of the peak value None of these from 10% of the peak value to 90% of the peak value from zero to its peak value from zero to its rms value from 10% of the peak value to 70.7% of the peak value None of these from 10% of the peak value to 90% of the peak value ANSWER DOWNLOAD EXAMIANS APP