Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? I = P/E P = IE None of these P = E2/R P = I2R I = P/E P = IE None of these P = E2/R P = I2R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common auto batteries? Auto batteries are secondary wet-cell batteries None of these Auto batteries are primary wet-cell batteries Auto batteries are secondary dry-cell batteries Auto batteries are primary dry-cell batteries Auto batteries are secondary wet-cell batteries None of these Auto batteries are primary wet-cell batteries Auto batteries are secondary dry-cell batteries Auto batteries are primary dry-cell batteries ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the Q point moves along the load line, the voltage increases when the current Stays the same Decreases None of these Increases Can be any of above Stays the same Decreases None of these Increases Can be any of above ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: causing an ac phase shift greater than 90 degree changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing dissipating 1 W of power None of these storing 1 V for 1 second causing an ac phase shift greater than 90 degree changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing dissipating 1 W of power None of these storing 1 V for 1 second 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 70.7% of the peak value from 10% of the peak value to 90% of the peak value from zero to its rms value None of these from zero to its peak value from 10% of the peak value to 70.7% of the peak value from 10% of the peak value to 90% of the peak value from zero to its rms value None of these from zero to its peak value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The opposition to a build-up of magnetic fields The rate of change of the number of lines of magnetic force The concentration of lines of magnetic force None of these The force that maintains lines of force The opposition to a build-up of magnetic fields The rate of change of the number of lines of magnetic force The concentration of lines of magnetic force None of these The force that maintains lines of force ANSWER DOWNLOAD EXAMIANS APP