Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of None of these More than 100 k Ohm Less than 100 k Ohm At least 10 Ohm Less than 10 Ohm None of these More than 100 k Ohm Less than 100 k Ohm At least 10 Ohm Less than 10 Ohm 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 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? 5 Ohm 100 Ohm 6 Ohm None of these 50 Ohm or more 5 Ohm 100 Ohm 6 Ohm None of these 50 Ohm or more ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Molecule is A atom that has an excessive number of electrons in its outer orbit None of these The smallest particle of a substance that retains the properties of that substance A atom that has a shortage of electrons in its outer orbit A atom that flows whenever there is an imbalance of electrical charges between two points A atom that has an excessive number of electrons in its outer orbit None of these The smallest particle of a substance that retains the properties of that substance A atom that has a shortage of electrons in its outer orbit A atom that flows whenever there is an imbalance of electrical charges between two points 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 7.8 mA 300 mA 200 mA None of these 208 mA 7.8 mA 300 mA 200 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Electronical energy Mechanical energy Chemical energy None of these Solar energy Electronical energy Mechanical energy Chemical energy None of these Solar energy ANSWER DOWNLOAD EXAMIANS APP
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