Electronic Principles A device that converts thermal energy to electrical energy is called a: piezoelectric devices None of these solar cell thermocouple chemical cell piezoelectric devices None of these solar cell thermocouple chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: None of these commutator rotor armature battery None of these commutator rotor armature battery ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 38.74 V 35.4 V 37.4 V 30.4 V None of these 38.74 V 35.4 V 37.4 V 30.4 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: its contact remain open None of these you are not pressing the button you are pressing the button its contact remain open its contact remain open None of these you are not pressing the button you are pressing the button its contact remain open ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The peak value of a sine waveform is: the amplitude at 90% of the maximum value the amplitude at 1.41 times the maximum value the maximum positive or negative value None of these the amplitude at 70.7% of the maximum value the amplitude at 90% of the maximum value the amplitude at 1.41 times the maximum value the maximum positive or negative value None of these the amplitude at 70.7% of the maximum value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the algebraic sum of this series of values:+2, -3, -6,+4? None of these -3 2 -6 None of these -3 2 -6 ANSWER DOWNLOAD EXAMIANS APP
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