Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? 692.2 Ohm 3890 Ohm 1234 Ohm 844.5 Ohm None of these 692.2 Ohm 3890 Ohm 1234 Ohm 844.5 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts thermal energy to electrical energy is called a: thermocouple piezoelectric devices chemical cell solar cell None of these thermocouple piezoelectric devices chemical cell solar cell None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? The circular magnetic field that surrounds a conductor carrying a current The force of attraction between the poles of a permanent and temporary magnetic field Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The amount of magnetic flux that is not confined to the core material of an electromagnet None of these The circular magnetic field that surrounds a conductor carrying a current The force of attraction between the poles of a permanent and temporary magnetic field Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The amount of magnetic flux that is not confined to the core material of an electromagnet None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? None of these 4.73 600 V 0.4 V 24 V None of these 4.73 600 V 0.4 V 24 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Impossible to say Is greater than the number of holes Is less than the number of holes None of these Equals the number of holes Impossible to say Is greater than the number of holes Is less than the number of holes None of these Equals the number of holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? A feiTomagnetic material A diamagnetic material None of these A paramagnetic material All of these A feiTomagnetic material A diamagnetic material None of these A paramagnetic material All of these ANSWER DOWNLOAD EXAMIANS APP