Electronic Principles A device that converts thermal energy to electrical energy is called a: chemical cell solar cell piezoelectric devices None of these thermocouple chemical cell solar cell piezoelectric devices None of these thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The concentration of lines of magnetic force None of these The rate of change of the number of lines of magnetic force The force that maintains lines of force The opposition to a build-up of magnetic fields The concentration of lines of magnetic force None of these The rate of change of the number of lines of magnetic force The force that maintains lines of force The opposition to a build-up of magnetic fields ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 208 V 707 V None of these 651 V 700 V 208 V 707 V None of these 651 V 700 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? The total resistance of a parallel circuit is equal to the total voltage The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance in a parallel circuit is equal to the average value of the individual resistances None of these The total resistance of a parallel circuit is equal to the total voltage The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance is equal to the sum of the individual resistances in a parallel circuit. The total resistance in a parallel circuit is equal to the average value of the individual resistances None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has how many doped regions? 1 4 3 2 None of these 1 4 3 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a parallel circuit? The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit The total voltage in a parallel circuit is equal to the average value of the individual voltages The total voltage of a parallel circuit is the same as the voltages across each branch None of these The total voltage in a parallel circuit is always less than the value of the smallest voltage The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit The total voltage in a parallel circuit is equal to the average value of the individual voltages The total voltage of a parallel circuit is the same as the voltages across each branch None of these The total voltage in a parallel circuit is always less than the value of the smallest voltage ANSWER DOWNLOAD EXAMIANS APP
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