Electronic Principles The current gain of a transistor is defined as the ratio of the collector current to the collector current emitter current base current None of these supply current collector current emitter current base current None of these supply current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: None of these passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals reduces the level of all frequencies by a significant amount None of these passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals reduces the level of all frequencies by a significant amount ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 kV is: 100 mV None of these 1000 V 1.00 V 1000 mV 100 mV None of these 1000 V 1.00 V 1000 mV ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current is converted to dc voltage ac current leads the voltage by 90 degree ac current lags the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current is converted to dc voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? None of these 0.25 0.5 180 4 None of these 0.25 0.5 180 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: the amount of opposition to the current flow None of these how well the material concentrates electrostatic lines of force how well the material concentrates magnetic lines of force the amount of voltage it can withstand before breaking down the amount of opposition to the current flow None of these how well the material concentrates electrostatic lines of force how well the material concentrates magnetic lines of force the amount of voltage it can withstand before breaking down ANSWER DOWNLOAD EXAMIANS APP
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