Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Decreases Stays the same 0oC Increases None of these Decreases Stays the same 0oC Increases None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: None of these ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current lags the voltage by 90 degree None of these ac current and voltage are exactly in phase ac current leads the voltage by 90 degree ac current is converted to dc voltage ac current lags the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 15 V 7.5 V 16 V 8 V None of these 15 V 7.5 V 16 V 8 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? None of these 7.8 mA 300 mA 208 mA 200 mA None of these 7.8 mA 300 mA 208 mA 200 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? None of these 0.93 V 0.93 W 0.041666666666667 9.3 W None of these 0.93 V 0.93 W 0.041666666666667 9.3 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? None of these Rectify line voltage Emit light Regulate voltage Amplify weak signals None of these Rectify line voltage Emit light Regulate voltage Amplify weak signals ANSWER DOWNLOAD EXAMIANS APP
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