Electronic Principles The merging of a free electron and a hole is called Covalent bonding Recombination Lifetime Thermal energy None of these Covalent bonding Recombination Lifetime Thermal energy None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is 2 mA 200 A 0.083333333333333 0.5 mA None of these 2 mA 200 A 0.083333333333333 0.5 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: None of these reduces the value of inductance by one-fourth multiplies the value of inductance by four reduces the value of inductance by one-half multiplies the value of inductance by two None of these reduces the value of inductance by one-fourth multiplies the value of inductance by four reduces the value of inductance by one-half multiplies the value of inductance by two 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? 300 mA None of these 200 mA 208 mA 7.8 mA 300 mA None of these 200 mA 208 mA 7.8 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A real voltage source has Infinite internal resistance Zero internal resistance A large internal resistance A small internal resistance None of these Infinite internal resistance Zero internal resistance A large internal resistance A small internal resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: 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 None of these passes lower-frequency signals and reduces higher-frequency signals 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 None of these passes lower-frequency signals and reduces higher-frequency signals ANSWER DOWNLOAD EXAMIANS APP
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