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? None of these 310 Ohm 550 Ohm 400 Ohm 410 Ohm None of these 310 Ohm 550 Ohm 400 Ohm 410 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The net charge of a neutral copper atom is 1 -1 None of these 4 1 -1 None of these 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? None of these 200 k Ohm or more 20 k Ohm or more 200 k Ohm or less 20 km or less None of these 200 k Ohm or more 20 k Ohm or more 200 k Ohm or less 20 km or less ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? The algebraic sum of voltages entering and leaving a point is equal to zero The total voltage in a parallel circuit is less than the value of the smallest voltage None of these 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 voltages entering and leaving a point is equal to zero The total voltage in a parallel circuit is less than the value of the smallest voltage None of these 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 What is the barrier potential of a silicon diode at room temperature? None of these 1 V 0.7V 0.3V 2 m V per degree Celsius None of these 1 V 0.7V 0.3V 2 m V per degree Celsius ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The emitter diode is usually Nonconducting Operating in the breakdwon region Reverse-biased None of these Forward-biased Nonconducting Operating in the breakdwon region Reverse-biased None of these Forward-biased ANSWER DOWNLOAD EXAMIANS APP
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