Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? None of these 3.2 mA 0.05 mA 13 mA 3.75 mA None of these 3.2 mA 0.05 mA 13 mA 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: None of these an artificial magnet a temporary magnet a paramagnetic alloy a natural magnet None of these an artificial magnet a temporary magnet a paramagnetic alloy a natural magnet ANSWER DOWNLOAD EXAMIANS APP
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? None of these 208 V 651 V 700 V 707 V None of these 208 V 651 V 700 V 707 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a good conductor a poor conductor of electrostatic fields None of these a good insulator a good conductor of magnetic fields a good conductor a poor conductor of electrostatic fields None of these a good insulator a good conductor of magnetic fields ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the voltage from a power outlet is 120 Vrms. What is the peak voltage? 170 V 120 V 100 V 180 V None of these 170 V 120 V 100 V 180 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has many free electrons None of these No holes many holes a few free electrons and holes many free electrons None of these No holes many holes a few free electrons and holes ANSWER DOWNLOAD EXAMIANS APP
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