Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? None of these Solar energy Electronical energy Chemical energy Mechanical energy None of these Solar energy Electronical energy Chemical energy Mechanical energy ANSWER DOWNLOAD EXAMIANS APP
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? None of these 4.73 600 V 24 V 0.4 V None of these 4.73 600 V 24 V 0.4 V 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 14 mA 10 mA 11 mA 12 mA None of these 14 mA 10 mA 11 mA 12 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is The number of free electrons in an atom The force that causes electrons to flow An imbalance of electrical charges None of these The flow of charged particles through a material The number of free electrons in an atom The force that causes electrons to flow An imbalance of electrical charges None of these The flow of charged particles through a material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: the amount of voltage it can withstand before breaking down how well the material concentrates electrostatic lines of force None of these how well the material concentrates magnetic lines of force the amount of opposition to the current flow the amount of voltage it can withstand before breaking down how well the material concentrates electrostatic lines of force None of these how well the material concentrates magnetic lines of force the amount of opposition to the current flow 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? Reluctance None of these Number of lines of force Flux density Magnetomotive force Reluctance None of these Number of lines of force Flux density Magnetomotive force ANSWER DOWNLOAD EXAMIANS APP
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