Electronic Principles Which one of the following phrasers best describes flux density? The concentration of lines of magnetic force The rate of change of the number 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 concentration of lines of magnetic force The rate of change of the number of lines of magnetic force The opposition to a build-up of magnetic fields The force that maintains lines of force None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Inductive reactance is measured in units of: henrys None of these amperes per second volts per second Ohm henrys None of these amperes per second volts per second Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? 16.3 mA 55 A None of these 55.86 A 18.2 mA 16.3 mA 55 A None of these 55.86 A 18.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At cut off, the Q point is at lower end of the load line None of these middle of the load line infinity upper end of the load line lower end of the load line None of these middle of the load line infinity upper end of the load line ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 1590 Ohm 690 Ohm None of these 312 Ohm less than 1 Ohm 1590 Ohm 690 Ohm None of these 312 Ohm less than 1 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? None of these Electronical energy Chemical energy Solar energy Mechanical energy None of these Electronical energy Chemical energy Solar energy Mechanical energy ANSWER DOWNLOAD EXAMIANS APP
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