Electronic Principles A device that converts mechanical pressure to electrical energy is called a: photodiode piezoelectric device nicad cell solar cell None of these photodiode piezoelectric device nicad cell solar cell None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.2 mA 0.05 mA 3.75 mA 13 mA None of these 3.2 mA 0.05 mA 3.75 mA 13 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is Trie force that causes electrons to flow The flow of charged particles through a material The smallest electrically charged particle None of these The number of free electrons in an atom Trie force that causes electrons to flow The flow of charged particles through a material The smallest electrically charged particle None of these The number of free electrons in an atom 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 Reluctance Permeance Retentivity There is no valid comparison Permeability Reluctance Permeance Retentivity There is no valid comparison ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a poor conductor of electrostatic fields None of these a good conductor a good insulator a good conductor of magnetic fields a poor conductor of electrostatic fields None of these a good conductor a good insulator a good conductor of magnetic fields ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Who invented the first junction transistor? Smith Shockley Fisher Gomes None of these Smith Shockley Fisher Gomes None of these ANSWER DOWNLOAD EXAMIANS APP