Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 600 V 24 V 4.73 None of these 0.4 V 600 V 24 V 4.73 None of these 0.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? I = P/E R = E2/P P = PR P = E2/R None of these I = P/E R = E2/P P = PR P = E2/R None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the supply current collector current base current emitter current None of these supply current collector current base current emitter current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Molecule is A atom that has a shortage of electrons in its outer orbit The smallest particle of a substance that retains the properties of that substance A atom that flows whenever there is an imbalance of electrical charges between two points None of these A atom that has an excessive number of electrons in its outer orbit A atom that has a shortage of electrons in its outer orbit The smallest particle of a substance that retains the properties of that substance A atom that flows whenever there is an imbalance of electrical charges between two points None of these A atom that has an excessive number of electrons in its outer orbit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a series circuit? The total voltage in a series circuit is equal to the average value of the individual voltages The total voltage is equal to the sum of the individual voltages in a series circuit The total voltage in a series circuit is always less than the value of the smallest voltage None of these The total voltage of a series circuit is equal to the total current divided by the total resistance The total voltage in a series circuit is equal to the average value of the individual voltages The total voltage is equal to the sum of the individual voltages in a series circuit The total voltage in a series circuit is always less than the value of the smallest voltage None of these The total voltage of a series circuit is equal to the total current divided by the total resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has many free electrons a few free electrons and holes many holes No holes None of these many free electrons a few free electrons and holes many holes No holes None of these ANSWER DOWNLOAD EXAMIANS APP