Electronic Principles Which is the most widely used semiconductor? Silicon Copper Germanium None of these All of these Silicon Copper Germanium None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used for creating static electricity? Light energy Solar energy Mechanical energy Chemical energy None of these Light energy Solar energy Mechanical energy Chemical energy None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical into electrical energy is? None of these solar cell thermocouple generator chemical cell None of these solar cell thermocouple generator chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more protons than electrons An atom that contains more electrons than protons None of these An atom that contains more protons than neutrons An atom that contains more electrons than neutrons An atom that contains more protons than electrons An atom that contains more electrons than protons None of these An atom that contains more protons than neutrons An atom that contains more electrons than neutrons 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? 0.6 A 0.4 A 0.2 A None of these 0.3 A 0.6 A 0.4 A 0.2 A None of these 0.3 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 43922 2 43891 3 None of these 43922 2 43891 3 None of these ANSWER DOWNLOAD EXAMIANS APP