Electronic Principles What is the turns ratio for the transformer specified in the above question? None of these 0.575 0.707 1.5 10.738 None of these 0.575 0.707 1.5 10.738 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: their waveforms are both ac or both dc All of these None of these their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency their waveforms are both ac or both dc All of these None of these their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At cut off, the Q point is at lower end of the load line infinity None of these middle of the load line upper end of the load line lower end of the load line infinity None of these middle of the load line upper end of the load line ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? None of these 550 Ohm 310 Ohm 410 Ohm 400 Ohm None of these 550 Ohm 310 Ohm 410 Ohm 400 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: None of these one-millionth of an ohm one million ohms 1 k ohm 100,000 ohm None of these one-millionth of an ohm one million ohms 1 k ohm 100,000 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: increases the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals None of these has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals None of these has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals ANSWER DOWNLOAD EXAMIANS APP
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