Electronic Principles Current is The force that causes electrons to flow An imbalance of electrical charges The number of free electrons in an atom None of these The flow of charged particles through a material The force that causes electrons to flow An imbalance of electrical charges The number of free electrons in an atom None of these The flow of charged particles through a material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode 10 mA 11 mA None of these 14 mA 12 mA 10 mA 11 mA None of these 14 mA 12 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point nowhere up down None of these off the load line nowhere up down None of these off the load line ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? 0.151 mA 2.02 A None of these 157 raA 0.995 mA 0.151 mA 2.02 A None of these 157 raA 0.995 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of an inductive circuit: None of these cuts the inductive reactance in half has no effect on the inductive reactance doubles the amount of inductive reactance multiplies the inductive reactance by 6.28 None of these cuts the inductive reactance in half has no effect on the inductive reactance doubles the amount of inductive reactance multiplies the inductive reactance by 6.28 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core None of these an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core None of these an increase in current through the coil causes no further increase in the mmf ANSWER DOWNLOAD EXAMIANS APP
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