Electronic Principles In a step-down transformer, which is larger? Secondary voltage None of these Primary voltage Impossible to say Neither Secondary voltage None of these Primary voltage Impossible to say Neither ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has a few free electrons and holes No holes None of these many holes many free electrons a few free electrons and holes No holes None of these many holes many free electrons 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 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 None of these The algebraic sum of voltages in a loop is equal to zero 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 None of these The algebraic sum of voltages in a loop is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point nowhere off the load line down up None of these nowhere off the load line down up None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a series circuit? The total voltage of a series circuit is equal to the total current divided by the total resistance The total voltage in a series circuit is equal to the average value of the individual voltages The total voltage in a series circuit is always less than the value of the smallest voltage None of these The total voltage is equal to the sum of the individual voltages in a series circuit The total voltage of a series circuit is equal to the total current divided by the total resistance The total voltage in a series circuit is equal to the average value of the individual voltages The total voltage in a series circuit is always less than the value of the smallest voltage None of these The total voltage is equal to the sum of the individual voltages in a series circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 208 mA 7.8 mA 300 mA None of these 200 mA 208 mA 7.8 mA 300 mA None of these 200 mA ANSWER DOWNLOAD EXAMIANS APP
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