Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 4 180 0.5 0.25 None of these 4 180 0.5 0.25 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A typical light switch in your home is a: momentary push button switch rotary switch toggle switch None of these knife switch momentary push button switch rotary switch toggle switch None of these knife switch ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? None of these many Same number as free electrons less than the free electrons Only those produced by thermal energy None of these many Same number as free electrons less than the free electrons Only those produced by thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: how well the material concentrates magnetic lines of force the amount of voltage it can withstand before breaking down None of these how well the material concentrates electrostatic lines of force the amount of opposition to the current flow how well the material concentrates magnetic lines of force the amount of voltage it can withstand before breaking down None of these how well the material concentrates electrostatic lines of force the amount of opposition to the current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Waveforms are graphs that show: amplitude on the vertical axis and frequency on the horizontal axis frequency on the vertical axis and amplitude on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis None of these amplitude on the vertical axis and the passage of time on the horizontal axis amplitude on the vertical axis and frequency on the horizontal axis frequency on the vertical axis and amplitude on the horizontal axis the passage of time on the vertical axis and amplitude on the horizontal axis None of these amplitude on the vertical axis and the passage of time on the horizontal axis ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? None of these 1590 Ohm 690 Ohm less than 1 Ohm 312 Ohm None of these 1590 Ohm 690 Ohm less than 1 Ohm 312 Ohm ANSWER DOWNLOAD EXAMIANS APP
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