Electronic Principles Current and voltage are said to be in phase when: they have the same amplitude and frequency None of these their waveforms cross through zero and reach positive and negative peaks at the same time their waveforms are both ac or both dc All of these they have the same amplitude and frequency None of these their waveforms cross through zero and reach positive and negative peaks at the same time their waveforms are both ac or both dc All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? None of these An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge An electron that has been freed from its parent atom An electron that costs nothing None of these An electron that has twice the amount of charge of a normal electron An electron that has no electrical charge An electron that has been freed from its parent atom An electron that costs nothing ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? None of these The algebraic sum of voltages in a loop is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of currents entering and leaving a point is equal to zero None of these The algebraic sum of voltages in a loop is equal to zero The total resistance of a parallel circuit is less than the value of the smallest resistance The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of currents entering and leaving a point is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Molecule is A atom that flows whenever there is an imbalance of electrical charges between two points A atom that has an excessive number of electrons in its outer orbit The smallest particle of a substance that retains the properties of that substance A atom that has a shortage of electrons in its outer orbit None of these A atom that flows whenever there is an imbalance of electrical charges between two points A atom that has an excessive number of electrons in its outer orbit The smallest particle of a substance that retains the properties of that substance A atom that has a shortage of electrons in its outer orbit None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the impedance of a series RC circuit? The impedance is less than the sum of the resistance and capacitive reactance None of these The impedance is greater than either the resistance or capacitive reactance but less than their sum The impedance is equal to the sum of the resistance and capacitive reactance The impedance is greater than the sum of the resistance and capacitive reactance The impedance is less than the sum of the resistance and capacitive reactance None of these The impedance is greater than either the resistance or capacitive reactance but less than their sum The impedance is equal to the sum of the resistance and capacitive reactance The impedance is greater than the sum of the resistance and capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rotating coil of wire in an electric motor is called the: loop armature commutator brush None of these loop armature commutator brush None of these ANSWER DOWNLOAD EXAMIANS APP
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