Electronic Principles What is a negative ion? An atom that contains more protons than electrons None of these An atom that contains more protons than neutrons An atom that contains more electrons than protons An atom that contains more electrons than neutrons An atom that contains more protons than electrons None of these An atom that contains more protons than neutrons An atom that contains more electrons than protons An atom that contains more electrons than neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff? 30 Ohm None of these 20 Ohm 100 Ohm 10 Ohm 30 Ohm None of these 20 Ohm 100 Ohm 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: photodiode None of these solar cell nicad cell piezoelectric device photodiode None of these solar cell nicad cell piezoelectric device 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, but changes value periodically The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction at a steady level None of these The current in an ac circuit changes direction periodically 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 The current in an ac circuit flows in one direction at a steady level None of these The current in an ac circuit changes direction periodically 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? 12 V 18 V 24 V 30 V None of these 12 V 18 V 24 V 30 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? 7200 A 0.083333333333333 None of these 180 A 0.5A 7200 A 0.083333333333333 None of these 180 A 0.5A ANSWER DOWNLOAD EXAMIANS APP
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