Electronic Principles A dielectric material is: a good conductor a good insulator a poor conductor of electrostatic fields a good conductor of magnetic fields None of these a good conductor a good insulator a poor conductor of electrostatic fields a good conductor of magnetic fields None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? None of these 50 A 20 A 0.20833333333333 None of these 50 A 20 A 0.20833333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? The total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages entering and leaving a point is equal to zero None of these 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 in a loop is equal to zero The total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages entering and leaving a point is equal to zero None of these 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 in a loop is equal to zero 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? 200 k Ohm or less 200 k Ohm or more 20 k Ohm or more 20 km or less None of these 200 k Ohm or less 200 k Ohm or more 20 k Ohm or more 20 km or less None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a series RLC circuit has the characteristics of a: purely resistive circuit series RLC circuit operated above its resonant frequency None of these series RL circuit series RC circuit purely resistive circuit series RLC circuit operated above its resonant frequency None of these series RL circuit series RC circuit ANSWER DOWNLOAD EXAMIANS APP
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? P = I2R P = IE None of these P = E2/R I = P/E P = I2R P = IE None of these P = E2/R I = P/E ANSWER DOWNLOAD EXAMIANS APP
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