Electronic Principles Which one of the following is a direct statement of Ohm's law? The total resistance of a parallel circuit is less than the value of the smallest resistance 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 None of these The algebraic sum of currents entering and leaving a point is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance 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 None of these The algebraic sum of currents entering and leaving a point is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Emit light Rectify line voltage Amplify weak signals None of these Regulate voltage Emit light Rectify line voltage Amplify weak signals None of these Regulate voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: an artificial magnet a paramagnetic alloy None of these a natural magnet a temporary magnet an artificial magnet a paramagnetic alloy None of these a natural magnet a temporary magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RL circuit? The total voltage lags the total current by less than 90 The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and inductance None of these The total voltages is less than the sum of the voltages across the resistance and inductance The total voltage lags the total current by less than 90 The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and inductance None of these The total voltages is less than the sum of the voltages across the resistance and inductance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 4 180 0.5 0.25 None of these 4 180 0.5 0.25 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: 10000A one-millionth of an ampere 1000 A None of these one million amperes 10000A one-millionth of an ampere 1000 A None of these one million amperes ANSWER DOWNLOAD EXAMIANS APP
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