Electronic Principles What is the smallest number of polarities required for current flow? None of these One - a negative terminal Four - two negative and two positive Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals None of these One - a negative terminal Four - two negative and two positive Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a series RLC circuit? None of these All of these The current waveform for each component always has the same amplitude and phase as the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage The sum of the current is always less than the applied current None of these All of these The current waveform for each component always has the same amplitude and phase as the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage The sum of the current is always less than the applied current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Secondary voltage Impossible to say None of these Neither Primary voltage Secondary voltage Impossible to say None of these Neither Primary voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.75 mA None of these 0.05 mA 3.2 mA 13 mA 3.75 mA None of these 0.05 mA 3.2 mA 13 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: a temporary magnet an artificial magnet a paramagnetic alloy None of these a natural magnet a temporary magnet an artificial magnet a paramagnetic alloy None of these a natural magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? All of these A diamagnetic material None of these A ferromagnetic material A paramagnetic material All of these A diamagnetic material None of these A ferromagnetic material A paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
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