Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 707 V 208 V None of these 700 V 651 V 707 V 208 V None of these 700 V 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 0.05 mA None of these 13 mA 3.2 mA 3.75 mA 0.05 mA None of these 13 mA 3.2 mA 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of conventional current flow is: from negative to positive from left to right from positive to negative None of these from neutral to positive from negative to positive from left to right from positive to negative None of these from neutral to positive 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? 6 Ohm None of these 100 Ohm 5 Ohm 50 Ohm or more 6 Ohm None of these 100 Ohm 5 Ohm 50 Ohm or more ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The net charge of a neutral copper atom is 4 -1 None of these 1 4 -1 None of these 1 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? All of these A diamagnetic material A paramagnetic material None of these A ferromagnetic material All of these A diamagnetic material A paramagnetic material None of these A ferromagnetic material ANSWER DOWNLOAD EXAMIANS APP
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