Electronic Principles Which one of the following statements most accurately applies to the frequency of a waveform? The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The actual frequency of a sine waveform is 1.41 times the working frequency The higher the amplitude of a waveform, the higher its frequency None of these The longer the period of a waveform, the lower its frequency Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz The actual frequency of a sine waveform is 1.41 times the working frequency The higher the amplitude of a waveform, the higher its frequency None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 28.4 mA 24.2 mA None of these 34.4 mA 68.4 mA 28.4 mA 24.2 mA None of these 34.4 mA 68.4 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance? None of these P = E2/R P = I2R P = IE I = P/E None of these P = E2/R P = I2R P = IE I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: armature commutator None of these brush loop armature commutator None of these brush loop ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for resistance is the: volt watt None of these ampere ohm volt watt None of these ampere ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: 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 the amount of voltage it can withstand before breaking down ANSWER DOWNLOAD EXAMIANS APP
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