Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.8 µA None of these 14.8 µA 10.3 µA 7.75 µA 7.8 µA None of these 14.8 µA 10.3 µA 7.75 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? Same number as free electrons less than the free electrons Only those produced by thermal energy None of these many Same number as free electrons less than the free electrons Only those produced by thermal energy None of these many ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? 1234 Ohm 844.5 Ohm 3890 Ohm 692.2 Ohm None of these 1234 Ohm 844.5 Ohm 3890 Ohm 692.2 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage, if 100 ohm resistor connected in parallel with an inductor that has a reactance of 200W? None of these 180 degree 90 degree 0 degree 26.6 degree None of these 180 degree 90 degree 0 degree 26.6 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? decreases stays the same increases None of these any of the above decreases stays the same increases None of these any of the above ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely capacitive circuit: None of these cuts the total current by one-half doubles the amount of total current has no effect on the total circuit current thrice the amount of total current None of these cuts the total current by one-half doubles the amount of total current has no effect on the total circuit current thrice the amount of total current ANSWER DOWNLOAD EXAMIANS APP
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