Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Chemical energy Electronical energy Solar energy None of these Mechanical energy Chemical energy Electronical energy Solar energy None of these Mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For normal operation of the transistor, the collector diode has to be Reverse-biased Forward-biased Operating in the breakdown region None of these Nonconducting Reverse-biased Forward-biased Operating in the breakdown region None of these Nonconducting ANSWER DOWNLOAD EXAMIANS APP
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 60 Ohm 10 Ohm None of these 50 Ohm 100 Ohm or more 60 Ohm 10 Ohm None of these 50 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of At least 10 Ohm More than 100 k Ohm None of these Less than 100 k Ohm Less than 10 Ohm At least 10 Ohm More than 100 k Ohm None of these Less than 100 k Ohm Less than 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature 0oC None of these Decreases Stays the same Increases 0oC None of these Decreases Stays the same 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? None of these 208 mA 300 mA 7.8 mA 200 mA None of these 208 mA 300 mA 7.8 mA 200 mA ANSWER DOWNLOAD EXAMIANS APP
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