Electronic Principles Which is the most widely used semiconductor? Germanium Copper Silicon None of these All of these Germanium Copper Silicon None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.4 A 0.6 A 0.3 A 0.2 A None of these 0.4 A 0.6 A 0.3 A 0.2 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? None of these 18.2 mA 16.3 mA 55 A 55.86 A None of these 18.2 mA 16.3 mA 55 A 55.86 A 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? 0.041666666666667 0.93 V 9.3 W None of these 0.93 W 0.041666666666667 0.93 V 9.3 W None of these 0.93 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Voltmeter None of these Ammeter Wattmeter Ohmmeter Voltmeter None of these Ammeter Wattmeter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 29 None of these 4 1 18 29 None of these 4 1 18 ANSWER DOWNLOAD EXAMIANS APP
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