Electronic Principles What is the turns ratio for the transformer specified in the above question? None of these 0.575 10.738 0.707 1.5 None of these 0.575 10.738 0.707 1.5 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: nicad cell solar cell photodiode None of these piezoelectric device nicad cell solar cell photodiode None of these piezoelectric device 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? 0.25 180 0.5 None of these 4 0.25 180 0.5 None of these 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately describes the nature of inductive reactance? Inductive reactance is an opposition to current flow in ac circuits None of these Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is another term for counter emf Inductive reactance is an opposition to current flow in ac circuits None of these Inductive reactance is a force that tends to overcome the effects of counter emf Inductive reactance is an opposition to current flow in dc circuits Inductive reactance is another term for counter emf ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating? I = P/E P = PR P = E2/R None of these R = E2/P I = P/E P = PR P = E2/R None of these R = E2/P ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 37.4 V 35.4 V 38.74 V 30.4 V None of these 37.4 V 35.4 V 38.74 V 30.4 V None of these ANSWER DOWNLOAD EXAMIANS APP
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