Electronic Principles A device that converts mechanical into electrical energy is? None of these solar cell generator thermocouple chemical cell None of these solar cell generator thermocouple chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 24 V None of these 18 V 30 V 12 V 24 V None of these 18 V 30 V 12 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Primary voltage Secondary voltage None of these Neither Impossible to say Primary voltage Secondary voltage None of these Neither Impossible to say ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the amplitude at 70.7% of the maximum value the maximum positive or negative value the amplitude at 90% of the maximum value None of these the amplitude at 1.41 times the maximum value the amplitude at 70.7% of the maximum value the maximum positive or negative value the amplitude at 90% of the maximum value None of these the amplitude at 1.41 times the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: 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 1 k ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Wattmeter None of these Ohmmeter Voltmeter Ammeter Wattmeter None of these Ohmmeter Voltmeter Ammeter ANSWER DOWNLOAD EXAMIANS APP
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