Electronic Principles The nucleus of the copper atom contains how many protons? None of these 29 18 4 1 None of these 29 18 4 1 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? Copper Silicon None of these Germanium All of these Copper Silicon None of these Germanium All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical into electrical energy is? generator None of these chemical cell thermocouple solar cell generator None of these chemical cell thermocouple solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? Inductive reactance is an opposition to current flow in dc circuits None of these Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is another term for counter emf Inductive reactance is an opposition to current flow in dc circuits None of these Inductive reactance is an opposition to current flow in ac circuits Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is another term for counter emf ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: changing the polarity of the current in the coil changes the polarity of the magnetic field around the core frequent changes in the direction of current through the coil causes heating effects in the core material an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core frequent changes in the direction of current through the coil causes heating effects in the core material an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RL circuit? The total voltage is less than the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit None of these The total voltages is equal to the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 The total voltage is less than the sum of the voltages across the resistance and inductance The voltage always has the same amplitude and phase for every part of the circuit None of these The total voltages is equal to the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 ANSWER DOWNLOAD EXAMIANS APP
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