Electronic Principles The basic unit of measurement for resistance is the: volt ohm watt ampere None of these volt ohm watt ampere None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts thermal energy to electrical energy is called a: thermocouple chemical cell None of these piezoelectric devices solar cell thermocouple chemical cell None of these piezoelectric devices solar cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: 1 k ohm 100,000 ohm 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 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? 4 0.5 180 0.25 None of these 4 0.5 180 0.25 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in two directions at the same time None of these The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit flows in two directions at the same time None of these The current in an ac circuit changes direction periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 35.4 V 38.74 V None of these 37.4 V 30.4 V 35.4 V 38.74 V None of these 37.4 V 30.4 V ANSWER DOWNLOAD EXAMIANS APP
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