Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? Reluctance There is no valid comparison Retentivity Permeability Permeance Reluctance There is no valid comparison Retentivity Permeability Permeance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Two - a negative terminal and a positive terminal One - a negative terminal Four - two negative and two positive Three - negative, positive and neutral terminals None of these Two - a negative terminal and a positive terminal One - a negative terminal Four - two negative and two positive Three - negative, positive and neutral terminals None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Positive ions are atoms that have None of these Gained an electron Lost a proton Gained a proton Lost an electron None of these Gained an electron Lost a proton Gained a proton Lost an electron ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 7.75 µA 7.8 µA 14.8 µA None of these 10.3 µA 7.75 µA 7.8 µA 14.8 µA None of these 10.3 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common auto batteries? Auto batteries are primary dry-cell batteries Auto batteries are secondary wet-cell batteries Auto batteries are secondary dry-cell batteries Auto batteries are primary wet-cell batteries None of these Auto batteries are primary dry-cell batteries Auto batteries are secondary wet-cell batteries Auto batteries are secondary dry-cell batteries Auto batteries are primary wet-cell batteries None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like a piece of copper wire a conductor an insulator a battery None of these a piece of copper wire a conductor an insulator a battery None of these ANSWER DOWNLOAD EXAMIANS APP
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