Electronic Principles A loadstone is: None of these a temporary magnet a paramagnetic alloy an artificial magnet a natural magnet None of these a temporary magnet a paramagnetic alloy an artificial magnet a natural magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? None of these 410 Ohm 550 Ohm 400 Ohm 310 Ohm None of these 410 Ohm 550 Ohm 400 Ohm 310 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a parallel circuit? The total voltage in a parallel circuit is equal to the average value of the individual voltages The total voltage of a parallel circuit is the same as the voltages across each branch The total voltage in a parallel circuit is always less than the value of the smallest voltage The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit None of these The total voltage in a parallel circuit is equal to the average value of the individual voltages The total voltage of a parallel circuit is the same as the voltages across each branch The total voltage in a parallel circuit is always less than the value of the smallest voltage The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Electrons, protons, and neutrons Electrons, protons, and ions None of these Electrons, ions, and neutrons Protons only Electrons, protons, and neutrons Electrons, protons, and ions None of these Electrons, ions, and neutrons Protons only 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? None of these 50 A 0.20833333333333 20 A None of these 50 A 0.20833333333333 20 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: None of these passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount None of these passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS