Electronic Principles The basic unit of measurement for resistance is the: ampere ohm None of these volt watt ampere ohm None of these volt watt ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? P = E2/R P = PR R = E2/P None of these I = P/E P = E2/R P = PR R = E2/P None of these I = P/E 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 300 mA 208 mA 200 mA None of these 7.8 mA 300 mA 208 mA 200 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A resistor has a rated value of 100 ohm and a tolerance of 10%. What is its minimum and maximum allowable resistance value? 99 Ohm - 102 ohm 90 Ohm - 101 ohm 98 Ohm - 100.1 ohm 90 Ohm - 110 ohm None of these 99 Ohm - 102 ohm 90 Ohm - 101 ohm 98 Ohm - 100.1 ohm 90 Ohm - 110 ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from 10% of the peak value to 90% of the peak value from zero to its peak value from 10% of the peak value to 70.7% of the peak value from zero to its rms value None of these from 10% of the peak value to 90% of the peak value from zero to its peak value from 10% of the peak value to 70.7% of the peak value from zero to its rms value None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The period of a waveform is: the number of cycles completed in one second None of these the time required to complete one full cycle the time required for the voltage to rise from 10% to 90% of the peak amplitude equal to 0.707 times the peak amplitude the number of cycles completed in one second None of these the time required to complete one full cycle the time required for the voltage to rise from 10% to 90% of the peak amplitude equal to 0.707 times the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
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