Electronic Principles In a step-down transformer, which is larger? Secondary voltage None of these Impossible to say Neither Primary voltage Secondary voltage None of these Impossible to say Neither Primary voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.75 µA 14.8 µA None of these 10.3 µA 7.8 µA 7.75 µA 14.8 µA None of these 10.3 µA 7.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? A diamagnetic material None of these A ferromagnetic material All of these A paramagnetic material A diamagnetic material None of these A ferromagnetic material All of these A paramagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? None of these An atom that contains more electrons than protons An atom that contains more protons than electrons An atom that contains more electrons than neutrons An atom that contains more protons than neutrons None of these An atom that contains more electrons than protons An atom that contains more protons than electrons An atom that contains more electrons than neutrons An atom that contains more protons than neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 18 V 24 V 12 V None of these 30 V 18 V 24 V 12 V None of these 30 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The basic unit of measurement for current is the: ampere ohm volt watt None of these ampere ohm volt watt None of these ANSWER DOWNLOAD EXAMIANS APP
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