Electronic Principles What is a negative ion? 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: multiplies the value of inductance by two reduces the value of inductance by one-fourth None of these multiplies the value of inductance by four reduces the value of inductance by one-half multiplies the value of inductance by two reduces the value of inductance by one-fourth None of these multiplies the value of inductance by four reduces the value of inductance by one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts thermal energy to electrical energy is called a: solar cell chemical cell piezoelectric devices None of these thermocouple solar cell chemical cell piezoelectric devices None of these thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? Only those produced by thermal energy None of these many Same number as free electrons less than the free electrons Only those produced by thermal energy None of these many Same number as free electrons less than the free electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Protons only None of these Electrons, ions, and neutrons Electrons, protons, and ions Electrons, protons, and neutrons Protons only None of these Electrons, ions, and neutrons Electrons, protons, and ions Electrons, protons, and neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? None of these 3.2 mA 3.75 mA 13 mA 0.05 mA None of these 3.2 mA 3.75 mA 13 mA 0.05 mA ANSWER DOWNLOAD EXAMIANS APP
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