Electronic Principles The equivalent of 1 micro A is: 1000 A one million amperes one-millionth of an ampere 10000A None of these 1000 A one million amperes one-millionth of an ampere 10000A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many protons does the nucleus of a silicon atom contain? None of these 4 48 14 29 None of these 4 48 14 29 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? None of these The concentration of lines of magnetic force The rate of change of the number of lines of magnetic force The force that maintains lines of force The opposition to a build-up of magnetic fields None of these The concentration of lines of magnetic force The rate of change of the number of lines of magnetic force The force that maintains lines of force The opposition to a build-up of magnetic fields ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 7.8 mA 300 mA None of these 200 mA 208 mA 7.8 mA 300 mA None of these 200 mA 208 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is 0.5 mA 0.083333333333333 200 A 2 mA None of these 0.5 mA 0.083333333333333 200 A 2 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Magnetomotive force Flux density Number of lines of force None of these Reluctance Magnetomotive force Flux density Number of lines of force None of these Reluctance ANSWER DOWNLOAD EXAMIANS APP
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