Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature 0oC None of these Stays the same Decreases Increases 0oC None of these Stays the same Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 7.8 mA 208 mA None of these 200 mA 300 mA 7.8 mA 208 mA None of these 200 mA 300 mA 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? 100 Ohm 6 Ohm None of these 50 Ohm or more 5 Ohm 100 Ohm 6 Ohm None of these 50 Ohm or more 5 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A basic capacitor is composed of: two coils separated by a dielectric two dielectrics separated by a conductor None of these two coils separated by a conductor two conductors separated by a dielectric two coils separated by a dielectric two dielectrics separated by a conductor None of these two coils separated by a conductor two conductors separated by a dielectric ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the graph of current versus voltage is a straight line, the device is referred to as None of these Linear Bipolar Active Nonlinear None of these Linear Bipolar Active Nonlinear 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 rms value from 10% of the peak value to 70.7% of the peak value from 10% of the peak value to 90% of the peak value from zero to its peak value None of these from zero to its rms value from 10% of the peak value to 70.7% of the peak value from 10% of the peak value to 90% of the peak value from zero to its peak value None of these ANSWER DOWNLOAD EXAMIANS APP
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