Electronic Principles Which one of the following kinds of materials has the highest permeability? None of these A paramagnetic material A diamagnetic material All of these A ferromagnetic material None of these A paramagnetic material A diamagnetic material All of these A ferromagnetic material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 250 µA None of these 0.25 µA 300 µA 350 µA 250 µA None of these 0.25 µA 300 µA 350 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has how many doped regions? 1 3 4 None of these 2 1 3 4 None of these 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of battery is most likely included in a cordless electric knife? Mercury-cell battery Nicad battery None of these Lead-acid battery Zinc-carbon battery Mercury-cell battery Nicad battery None of these Lead-acid battery Zinc-carbon battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? None of these The rate of change of the number of lines of magnetic force The concentration of lines of magnetic force The opposition to a build-up of magnetic fields The force that maintains lines of force None of these The rate of change of the number of lines of magnetic force The concentration of lines of magnetic force The opposition to a build-up of magnetic fields The force that maintains lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? 18.8 V 20 V 10.17 V None of these 0.17 V 18.8 V 20 V 10.17 V None of these 0.17 V ANSWER DOWNLOAD EXAMIANS APP
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