Electronic Principles A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff? 60 Ohm None of these 50 Ohm 10 Ohm 100 Ohm or more 60 Ohm None of these 50 Ohm 10 Ohm 100 Ohm or more ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? None of these Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal Four - two negative and two positive One - a negative terminal None of these Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal Four - two negative and two positive One - a negative terminal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 600 V 24 V None of these 0.4 V 4.73 600 V 24 V None of these 0.4 V 4.73 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 None of these 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 from zero to its rms value None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The merging of a free electron and a hole is called Thermal energy Recombination None of these Covalent bonding Lifetime Thermal energy Recombination None of these Covalent bonding Lifetime ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A real voltage source has None of these A small internal resistance Zero internal resistance Infinite internal resistance A large internal resistance None of these A small internal resistance Zero internal resistance Infinite internal resistance A large internal resistance ANSWER DOWNLOAD EXAMIANS APP
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