Electronic Principles What is one important thing transistors do? Emit light Amplify weak signals Regulate voltage None of these Rectify line voltage Emit light Amplify weak signals Regulate voltage None of these Rectify line voltage 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? 3.75 mA 0.05 mA 13 mA 3.2 mA None of these 3.75 mA 0.05 mA 13 mA 3.2 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 1000 W 20 W 100 W 200 W None of these 1000 W 20 W 100 W 200 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: multiplies the value of inductance by two None of these has no effect on the inductance multiplies the value of inductance by four reduces the value of inductance by one-half multiplies the value of inductance by two None of these has no effect on the inductance multiplies the value of inductance by four reduces the value of inductance by one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? 0.93 V 0.041666666666667 None of these 9.3 W 0.93 W 0.93 V 0.041666666666667 None of these 9.3 W 0.93 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? All of these A paramagnetic material A feiTomagnetic material None of these A diamagnetic material All of these A paramagnetic material A feiTomagnetic material None of these A diamagnetic material ANSWER DOWNLOAD EXAMIANS APP
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