Electronic Principles When the collector current increases, what does the current gain do? stays the same None of these increases any of the above decreases stays the same None of these increases any of the above decreases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? None of these I = ER E = I2R E = PR I = E/R None of these I = ER E = I2R E = PR I = E/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? 1234 Ohm 3890 Ohm None of these 844.5 Ohm 692.2 Ohm 1234 Ohm 3890 Ohm None of these 844.5 Ohm 692.2 Ohm 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 the core is permitted to move freely within the coil None of these 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 changing the polarity of the current in the coil changes the polarity of the magnetic field around the core the core is permitted to move freely within the coil None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Molecule is A atom that has an excessive number 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 A atom that has a shortage of electrons in its outer orbit None of these A atom that has an excessive number 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 A atom that has a shortage of electrons in its outer orbit None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 40 V 60 V None of these 0 V 36 V 40 V 60 V None of these 0 V 36 V ANSWER DOWNLOAD EXAMIANS APP