Electronic Principles What causes the depletion layer? None of these Recombination Doping Ions Barrier potential None of these Recombination Doping Ions Barrier potential ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a parallel RLC circuit: is maximum at the resonant frequency is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always decreases as the applied frequency increases None of these always increases as the applied frequency increases is maximum at the resonant frequency is equal to the sum of the values of resistance, inductive reactance and capacitive reactance always decreases as the applied frequency increases None of these always increases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 20 A 50 A None of these 0.20833333333333 20 A 50 A None of these 0.20833333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more electrons than neutrons An atom that contains more electrons than protons None of these An atom that contains more protons than neutrons An atom that contains more protons than electrons An atom that contains more electrons than neutrons An atom that contains more electrons than protons None of these An atom that contains more protons than neutrons An atom that contains more protons than electrons 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? 7.8 mA 200 mA 300 mA None of these 208 mA 7.8 mA 200 mA 300 mA None of these 208 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common, non-rechargeable flashlight batteries? Common flashlight batteries are primary dry-cell batteries Common flashlight batteries are secondary dry-cell batteries None of these Common flashlight batteries are primary wet-cell batteries Common flashlight batteries are secondary wet-cell batteries Common flashlight batteries are primary dry-cell batteries Common flashlight batteries are secondary dry-cell batteries None of these Common flashlight batteries are primary wet-cell batteries Common flashlight batteries are secondary wet-cell batteries ANSWER DOWNLOAD EXAMIANS APP
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