Electronic Principles The equivalent of 1 micro A is: 1000 A one-millionth of an ampere None of these 10000A one million amperes 1000 A one-millionth of an ampere None of these 10000A one million amperes 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? 13 mA 3.2 mA None of these 0.05 mA 3.75 mA 13 mA 3.2 mA None of these 0.05 mA 3.75 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? less than 1 Ohm None of these 1590 Ohm 690 Ohm 312 Ohm less than 1 Ohm None of these 1590 Ohm 690 Ohm 312 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons None of these Is less than the number of holes Equals the number of holes Impossible to say Is greater than the number of holes None of these Is less than the number of holes Equals the number of holes Impossible to say Is greater than the number of holes 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? 651 V 700 V 707 V None of these 208 V 651 V 700 V 707 V None of these 208 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.4 A None of these 0.3 A 0.6 A 0.2 A 0.4 A None of these 0.3 A 0.6 A 0.2 A ANSWER DOWNLOAD EXAMIANS APP
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