Electronic Principles Which one of the following kinds of materials has the highest permeability? A ferromagnetic material None of these A diamagnetic material A paramagnetic material All of these A ferromagnetic material None of these A diamagnetic material A paramagnetic material All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 4 None of these 0.25 180 0.5 4 None of these 0.25 180 0.5 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a series RLC circuit? The sum of the current is always less than the applied current None 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 All of these The sum of the current is always less than the applied current None 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 All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Equals the number of holes None of these Is less than the number of holes Is greater than the number of holes Impossible to say Equals the number of holes None of these Is less than the number of holes Is greater than the number of holes Impossible to say ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles One henry of inductance is defined as: None of these the amount of counter emf required to reduce a current to 1 A the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the amount of inductance required to change the frequency of a current by 1 Hz None of these the amount of counter emf required to reduce a current to 1 A the number of turns of wire in an inductor multiplied by the amount of current flowing through it the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second the amount of inductance required to change the frequency of a current by 1 Hz ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has No holes many free electrons a few free electrons and holes None of these many holes No holes many free electrons a few free electrons and holes None of these many holes ANSWER DOWNLOAD EXAMIANS APP
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