Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 700 V None of these 707 V 651 V 208 V 700 V None of these 707 V 651 V 208 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? 89.3 ohm 224 ohm None of these 88.8 ohm 77.7 ohm 89.3 ohm 224 ohm None of these 88.8 ohm 77.7 ohm 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 a positive charge An electron has a positive charge and a proton has no charge An electron has a positive charge and a proton has a negative charge None of these An electron has a negative charge and a proton has no charge An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has no charge An electron has a positive charge and a proton has a negative charge None of these An electron has a negative charge and a proton has no charge ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 1 18 None of these 29 4 1 18 None of these 29 4 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 A paramagnetic material All of these A diamagnetic material None of these A ferromagnetic material A paramagnetic material All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Absolute Zero temperature equals -273o C None of these 25o C -276o C 0o C -273o C None of these 25o C -276o C 0o C ANSWER DOWNLOAD EXAMIANS APP
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