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 200 mA 208 mA 300 mA 7.8 mA None of these 200 mA 208 mA 300 mA 7.8 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: one million amperes 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is 200 A 2 mA 0.5 mA 0.083333333333333 None of these 200 A 2 mA 0.5 mA 0.083333333333333 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The value of a capacitor can be made larger by: decreasing the area of the plates None of these increasing the voltage applied to the plates increasing the frequency of the applied voltage increasing the area of the plates decreasing the area of the plates None of these increasing the voltage applied to the plates increasing the frequency of the applied voltage increasing the area of the plates ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a parallel circuit? The total voltage of a parallel circuit is the same as the voltages across each branch The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit The total voltage in a parallel circuit is equal to the average value of the individual voltages The total voltage in a parallel circuit is always less than the value of the smallest voltage None of these The total voltage of a parallel circuit is the same as the voltages across each branch The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit The total voltage in a parallel circuit is equal to the average value of the individual voltages The total voltage in a parallel circuit is always less than the value of the smallest voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The valence electron of a copper atom experiences what kind of attraction toward the nucleus? Impossible to say Strong Weak Neutral None of these Impossible to say Strong Weak Neutral None of these ANSWER DOWNLOAD EXAMIANS APP