Electronic Principles The knee voltage of a diode is approximately equal to the Breakdown voltage Barrier potential Applied voltage Forward voltage None of these Breakdown voltage Barrier potential Applied voltage Forward voltage None of these 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? 410 Ohm 400 Ohm 310 Ohm None of these 550 Ohm 410 Ohm 400 Ohm 310 Ohm None of these 550 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: equal to 0.707 times the peak amplitude the time required to complete one full cycle None of these equal to 1.41 times the peak amplitude the number of cycles completed in one second equal to 0.707 times the peak amplitude the time required to complete one full cycle None of these equal to 1.41 times the peak amplitude the number of cycles completed in one second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? The algebraic sum of currents entering and leaving a point is equal to zero None of these The total resistance of a parallel circuit is less than the value of the smallest resistance The algebraic sum of voltages in a loop is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of currents entering and leaving a point is equal to zero None of these The total resistance of a parallel circuit is less than the value of the smallest resistance The algebraic sum of voltages in a loop is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals None of these increases the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals None of these increases the level of all frequencies by a significant amount ANSWER DOWNLOAD EXAMIANS APP
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