Electronic Principles Most AC power is obtained from: lightning oscillators batteries None of these generators lightning oscillators batteries None of these generators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? None of these 180 0.5 4 0.25 None of these 180 0.5 4 0.25 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between the kinds of charges for an electron and a proton? An electron has a negative charge and a proton has no charge An electron has a positive charge and a proton has no charge None of these An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has a negative charge An electron has a negative charge and a proton has no charge An electron has a positive charge and a proton has no charge None of these An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has a negative charge ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: a natural magnet None of these a paramagnetic alloy a temporary magnet an artificial magnet a natural magnet None of these a paramagnetic alloy a temporary magnet an artificial magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The direction of electron current flow is: from positive to negative from neutral to positive from right to left None of these from negative to positive from positive to negative from neutral to positive from right to left None of these from negative to positive ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is most likely used for measuring the rate of electron flow? None of these Wattmeter Voltmeter Ohmmeter Ammeter None of these Wattmeter Voltmeter Ohmmeter Ammeter ANSWER DOWNLOAD EXAMIANS APP