Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.75 µA 7.8 µA 14.8 µA 10.3 µA None of these 7.75 µA 7.8 µA 14.8 µA 10.3 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? 10.17 V 20 V 18.8 V None of these 0.17 V 10.17 V 20 V 18.8 V None of these 0.17 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used for creating static electricity? None of these Mechanical energy Light energy Chemical energy Solar energy None of these Mechanical energy Light energy Chemical energy Solar energy 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 651 V 707 V 208 V 700 V None of these 651 V 707 V 208 V 700 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like a battery None of these an insulator a piece of copper wire a conductor a battery None of these an insulator a piece of copper wire a conductor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: None of these 1 k ohm one-millionth of an ohm one million ohms 100,000 ohm None of these 1 k ohm one-millionth of an ohm one million ohms 100,000 ohm ANSWER DOWNLOAD EXAMIANS APP
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