Electronic Principles A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff? 50 Ohm 60 Ohm 100 Ohm or more 10 Ohm None of these 50 Ohm 60 Ohm 100 Ohm or more 10 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How may valence electrons does a silicon atom have? 2 4 None of these 1 2 4 None of these 1 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? None of these Solar energy Electronical energy Mechanical energy Chemical energy None of these Solar energy Electronical energy Mechanical energy Chemical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.3 A 0.4 A 0.6 A None of these 0.2 A 0.3 A 0.4 A 0.6 A None of these 0.2 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 16 V None of these 7.5 V 15 V 8 V 16 V None of these 7.5 V 15 V 8 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? None of these P = E2/R I = P/E P = I2R P = IE None of these P = E2/R I = P/E P = I2R P = IE ANSWER DOWNLOAD EXAMIANS APP
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