Electronic Principles Which one of the following is a direct statement of Ohm's law? 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 resistance of a parallel circuit is less than the value of the smallest resistance None of these The algebraic sum of currents entering and leaving a point 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 in a loop is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance None of these The algebraic sum of currents entering and leaving a point is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the Barrier potential Forward voltage None of these Breakdown voltage Applied voltage Barrier potential Forward voltage None of these Breakdown voltage Applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage remains at one polarity and at a steady level The voltage reverses polarity periodically None of these The voltage remains at one polarity but changes value periodically The voltage causes current to flow in two directions at the same time The voltage remains at one polarity and at a steady level The voltage reverses polarity periodically None of these The voltage remains at one polarity but changes value periodically The voltage causes current to flow in two directions at the same time 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? 50 A None of these 20 A 0.20833333333333 50 A None of these 20 A 0.20833333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing storing 1 V for 1 second None of these causing an ac phase shift greater than 90 degree dissipating 1 W of power changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing storing 1 V for 1 second None of these causing an ac phase shift greater than 90 degree dissipating 1 W of power ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An ideal voltage source has None of these Infinite internal resistance A load dependent voltage A load-dependent current Zero internal resistance None of these Infinite internal resistance A load dependent voltage A load-dependent current Zero internal resistance ANSWER DOWNLOAD EXAMIANS APP
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