Electronic Principles At room temperature a conductor has low many holes? None of these Only those produced by thermal energy less than the free electrons many Same number as free electrons None of these Only those produced by thermal energy less than the free electrons many Same number as free electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An ideal voltage source has None of these Zero internal resistance Infinite internal resistance A load-dependent current A load dependent voltage None of these Zero internal resistance Infinite internal resistance A load-dependent current A load dependent voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 36 V 60 V None of these 40 V 0 V 36 V 60 V None of these 40 V 0 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Electronical energy Solar energy None of these Chemical energy Mechanical energy Electronical energy Solar energy None of these Chemical energy Mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? None of these 20 mW 300 mW 10 mW 200 mW None of these 20 mW 300 mW 10 mW 200 mW 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? None of these 651 V 707 V 700 V 208 V None of these 651 V 707 V 700 V 208 V ANSWER DOWNLOAD EXAMIANS APP
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