Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: No more than 10% less than the primary current One-half the primary current None of these Same as the primary current Twice the primary current No more than 10% less than the primary current One-half the primary current None of these Same as the primary current Twice the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? None of these 9.3 W 0.041666666666667 0.93 W 0.93 V None of these 9.3 W 0.041666666666667 0.93 W 0.93 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a series circuit? 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 always less than the value of the smallest voltage None of these The total voltage in a series circuit is equal to the average value of the individual voltages 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 always less than the value of the smallest voltage None of these The total voltage in a series circuit is equal to the average value of the individual voltages 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 20 A None of these 0.20833333333333 50 A 20 A None of these 0.20833333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? None of these Flux density Reluctance Magnetomotive force Number of lines of force None of these Flux density Reluctance Magnetomotive force Number of lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical into electrical energy is? generator chemical cell thermocouple solar cell None of these generator chemical cell thermocouple solar cell None of these ANSWER DOWNLOAD EXAMIANS APP
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