Electronic Principles A dielectric material is: None of these a good conductor of magnetic fields a poor conductor of electrostatic fields a good conductor a good insulator None of these a good conductor of magnetic fields a poor conductor of electrostatic fields a good conductor a good insulator 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? 300 µA 250 µA None of these 0.25 µA 350 µA 300 µA 250 µA None of these 0.25 µA 350 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: one million amperes one-millionth of an ampere 1000 A None of these 10000A one million amperes one-millionth of an ampere 1000 A None of these 10000A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals None of these reduces the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals None of these reduces the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals 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 55.86 A None of these 18.2 mA 55 A 16.3 mA 55.86 A None of these 18.2 mA 55 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles As the temperature increases, the current gain contant can be any of the above None of these decreases increases contant can be any of the above None of these decreases increases ANSWER DOWNLOAD EXAMIANS APP
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