Electronic Principles Which one of the following kinds of materials has the lowest permeability? A paramagnetic material A feiTomagnetic material A diamagnetic material All of these None of these A paramagnetic material A feiTomagnetic material A diamagnetic material All of these 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? 208 mA 300 mA 200 mA None of these 7.8 mA 208 mA 300 mA 200 mA None of these 7.8 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: None of these cuts the capacitive reactance in half doubles the amount of capacitive reactance has no effect on the capacitive reactance multiplies the capacitive reactance by 7 None of these cuts the capacitive reactance in half doubles the amount of capacitive reactance has no effect on the capacitive reactance multiplies the capacitive reactance by 7 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance in a parallel circuit is equal to the average value of the individual resistances None of these The total resistance of a parallel circuit is equal to the total voltage The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance in a parallel circuit is equal to the average value of the individual resistances None of these The total resistance of a parallel circuit is equal to the total voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How may valence electrons does a silicon atom have? 2 4 1 None of these 2 4 1 None of these 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 208 V 707 V 700 V 651 V None of these 208 V 707 V 700 V 651 V ANSWER DOWNLOAD EXAMIANS APP
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