Electronic Principles Voltage is The number of free electrons in an atom The flow of charged particles through a material None of these The smallest electrically charged particle Trie force that causes electrons to flow The number of free electrons in an atom The flow of charged particles through a material None of these The smallest electrically charged particle Trie force that causes electrons to flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a direct statement of Ohm's law? The total resistance of a parallel circuit is less than the value of the smallest resistance The algebraic sum of currents entering and leaving a point is equal to zero None of these 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 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 algebraic sum of currents entering and leaving a point is equal to zero None of these 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 voltages in a loop is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The rms value of a sine waveform is: equal to 0.707 times the peak amplitude None of these equal to 1.41 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle equal to 0.707 times the peak amplitude None of these equal to 1.41 times the peak amplitude the number of cycles completed in one second the time required to complete one full cycle ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 651 V 208 V 707 V 700 V None of these 651 V 208 V 707 V 700 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Electrons, protons, and ions None of these Protons only Electrons, protons, and neutrons Electrons, ions, and neutrons Electrons, protons, and ions None of these Protons only Electrons, protons, and neutrons Electrons, ions, and neutrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 250 µA 0.25 µA 350 µA None of these 300 µA 250 µA 0.25 µA 350 µA None of these 300 µA ANSWER DOWNLOAD EXAMIANS APP