Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature 0oC Stays the same None of these Increases Decreases 0oC Stays the same None of these Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a series circuit? The total voltage of a series circuit is equal to the total current divided by the total resistance None of these The total voltage in a series circuit is equal to the average value of the individual voltages The total voltage in a series circuit is always less than the value of the smallest voltage The total voltage is equal to the sum of the individual voltages in a series circuit The total voltage of a series circuit is equal to the total current divided by the total resistance None of these The total voltage in a series circuit is equal to the average value of the individual voltages The total voltage in a series circuit is always less than the value of the smallest voltage The total voltage is equal to the sum of the individual voltages in a series circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? 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 None of these The concentration of lines of magnetic force 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 None of these The concentration of lines of magnetic force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? 70.7Ohm 250 Ohm 60 Ohm 99.3 Ohm None of these 70.7Ohm 250 Ohm 60 Ohm 99.3 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current is converted to dc voltage ac current lags the voltage by 90 degree None of these ac current leads the voltage by 90 degree ac current and voltage are exactly in phase ac current is converted to dc voltage ac current lags the voltage by 90 degree None of these ac current leads the voltage by 90 degree ac current and voltage are exactly in phase ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 400 Ohm None of these 410 Ohm 550 Ohm 310 Ohm 400 Ohm None of these 410 Ohm 550 Ohm 310 Ohm ANSWER DOWNLOAD EXAMIANS APP
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