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? 50 Ohm or more 100 Ohm None of these 5 Ohm 6 Ohm 50 Ohm or more 100 Ohm None of these 5 Ohm 6 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: oscillators None of these generators batteries lightning oscillators None of these generators batteries lightning ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 445 ohm None of these 220 ohm 150 ohm 690 ohm 445 ohm None of these 220 ohm 150 ohm 690 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 350 µA 250 µA 300 µA 0.25 µA None of these 350 µA 250 µA 300 µA 0.25 µA None of these 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? 200 mA None of these 208 mA 300 mA 7.8 mA 200 mA None of these 208 mA 300 mA 7.8 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: from right to left from negative to positive from neutral to positive from positive to negative None of these from right to left from negative to positive from neutral to positive from positive to negative None of these ANSWER DOWNLOAD EXAMIANS APP
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