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? 707 V 651 V 208 V 700 V None of these 707 V 651 V 208 V 700 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 14.8 µA 7.8 µA None of these 10.3 µA 7.75 µA 14.8 µA 7.8 µA None of these 10.3 µA 7.75 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Primary voltage Secondary voltage Neither Impossible to say None of these Primary voltage Secondary voltage Neither Impossible to say None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 7.5 V None of these 16 V 8 V 3 V 7.5 V None of these 16 V 8 V 3 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 85 None of these 6 9 81 85 None of these 6 9 81 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Thevenin resistance is equal in value to the Internal resistance of a Morton circuit Half the load resistance None of these Open-load resistance Load resistance Internal resistance of a Morton circuit Half the load resistance None of these Open-load resistance Load resistance ANSWER DOWNLOAD EXAMIANS APP
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