Electronic Principles The merging of a free electron and a hole is called Recombination Lifetime None of these Covalent bonding Thermal energy Recombination Lifetime None of these Covalent bonding Thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? None of these Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals Four - two negative and two positive One - a negative terminal None of these Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals Four - two negative and two positive One - a negative terminal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? 1234 Ohm None of these 844.5 Ohm 692.2 Ohm 3890 Ohm 1234 Ohm None of these 844.5 Ohm 692.2 Ohm 3890 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Permeability Permeance There is no valid comparison Reluctance Retentivity Permeability Permeance There is no valid comparison Reluctance Retentivity ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 0.41666666666667 2.02 A 0.955 A 0.02 A None of these 0.41666666666667 2.02 A 0.955 A 0.02 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit changes direction periodically The current in an ac circuit flows in two directions at the same time None of these The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit changes direction periodically The current in an ac circuit flows in two directions at the same time None of these The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in one direction, but changes value periodically ANSWER DOWNLOAD EXAMIANS APP
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