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? 200 mA 7.8 mA 208 mA 300 mA None of these 200 mA 7.8 mA 208 mA 300 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? None of these 10 k Ohm 1 k Ohm 2 k Ohm 20 k Ohm None of these 10 k Ohm 1 k Ohm 2 k Ohm 20 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? Germanium Silicon All of these Copper None of these Germanium Silicon All of these Copper None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is The flow of charged particles through a material None of these The smallest electrically charged particle The number of free electrons in an atom Trie force that causes electrons to flow The flow of charged particles through a material None of these The smallest electrically charged particle The number of free electrons in an atom Trie force that causes electrons to flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For normal operation of the transistor, the collector diode has to be Operating in the breakdown region None of these Reverse-biased Nonconducting Forward-biased Operating in the breakdown region None of these Reverse-biased Nonconducting Forward-biased ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of battery is most likely included in a cordless electric knife? Nicad battery Mercury-cell battery None of these Lead-acid battery Zinc-carbon battery Nicad battery Mercury-cell battery None of these Lead-acid battery Zinc-carbon battery ANSWER DOWNLOAD EXAMIANS APP
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