Electronic Principles A device that converts mechanical into electrical energy is? chemical cell None of these thermocouple solar cell generator chemical cell None of these thermocouple solar cell generator ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Mechanical energy None of these Solar energy Chemical energy Electronical energy Mechanical energy None of these Solar energy Chemical energy Electronical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The rate of change of the number of lines of magnetic force The opposition to a build-up of magnetic fields None of these The force that maintains lines of force The concentration of lines of magnetic force The rate of change of the number of lines of magnetic force The opposition to a build-up of magnetic fields None of these The force that maintains lines of force The concentration of lines of magnetic force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Number of lines of force Flux density Magnetomotive force Reluctance None of these Number of lines of force Flux density Magnetomotive force Reluctance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: None of these passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals increases the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals None of these passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals increases the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RL circuit? The total voltages is less than the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 The total voltage is equal to the sum of the voltages across the resistance and inductance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltages is less than the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 The total voltage is equal to the sum of the voltages across the resistance and inductance None of these The voltage always has the same amplitude and phase for every part of the circuit ANSWER DOWNLOAD EXAMIANS APP
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