Electronic Principles What is the difference between the kinds of charges for an electron and a proton? An electron has a positive charge and a proton has a negative charge None of these An electron has a negative charge and a proton has no charge An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has a negative charge None of these An electron has a negative charge and a proton has no charge An electron has a positive charge and a proton has no charge An electron has a negative charge and a proton has a positive charge ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? None of these Magnetomotive force Number of lines of force Flux density Reluctance None of these Magnetomotive force Number of lines of force Flux density Reluctance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the graph of current versus voltage is a straight line, the device is referred to as Active Nonlinear None of these Linear Bipolar Active Nonlinear None of these Linear Bipolar ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: lightning generators None of these batteries oscillators lightning generators None of these batteries oscillators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 100 A 0.1 A 0.41666666666667 None of these 1000 A 100 A 0.1 A 0.41666666666667 None of these 1000 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 7.8 mA 208 mA 300 mA None of these 200 mA 7.8 mA 208 mA 300 mA None of these 200 mA ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS