Electronic Principles How many protons does the nucleus of a silicon atom contain? 14 4 None of these 29 48 14 4 None of these 29 48 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 force that maintains lines of force None of these The concentration of lines of magnetic force The opposition to a build-up of magnetic fields The rate of change of the number of lines of magnetic force The force that maintains lines of force None of these The concentration of lines of magnetic force 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 power dissipation of a resistance when you know the voltage drop and current? None of these I = P/E P = I2R P = IE P = E2/R None of these I = P/E P = I2R P = IE P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current is converted to dc voltage ac current leads the voltage by 90 degree None of these ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ac current is converted to dc voltage ac current leads the voltage by 90 degree None of these ac current and voltage are exactly in phase ac current lags the voltage by 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.75 µA 10.3 µA 7.8 µA None of these 14.8 µA 7.75 µA 10.3 µA 7.8 µA None of these 14.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: the time required to complete one full cycle None of these equal to 1.41 times the peak amplitude equal to 0.707 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle None of these equal to 1.41 times the peak amplitude equal to 0.707 times the peak amplitude the number of cycles completed in one second ANSWER DOWNLOAD EXAMIANS APP