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 10 Ohm None of these 60 Ohm 50 Ohm 100 Ohm or more 10 Ohm None of these 60 Ohm 50 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Thermal energy Valence electrons Doping Free electrons None of these Thermal energy Valence electrons Doping Free electrons None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a good insulator a good conductor a good conductor of magnetic fields None of these a poor conductor of electrostatic fields a good insulator a good conductor a good conductor of magnetic fields None of these a poor conductor of electrostatic fields ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Negative charges Crystals None of these Positive charges Atoms Negative charges Crystals None of these Positive charges Atoms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Waveforms are graphs that show: amplitude on the vertical axis and frequency on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis None of these amplitude on the vertical axis and the passage of time on the horizontal axis frequency on the vertical axis and amplitude on the horizontal axis amplitude on the vertical axis and frequency on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis None of these amplitude on the vertical axis and the passage of time on the horizontal axis frequency on the vertical axis and amplitude on the horizontal axis ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A real voltage source has Zero internal resistance A large internal resistance Infinite internal resistance None of these A small internal resistance Zero internal resistance A large internal resistance Infinite internal resistance None of these A small internal resistance ANSWER DOWNLOAD EXAMIANS APP
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