Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Ammeter Wattmeter Ohmmeter None of these Voltmeter Ammeter Wattmeter Ohmmeter None of these Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is equal to the total voltage The total resistance is equal to the sum of the individual resistances in a parallel circuit. None of these The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance in a parallel circuit is equal to the average value of the individual resistances The total resistance of a parallel circuit is equal to the total voltage The total resistance is equal to the sum of the individual resistances in a parallel circuit. None of these The total resistance of a parallel circuit is always less than the value of the smallest resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Silicon atoms combine into an orderly pattern called a Valence orbit Covalent bond Crystal None of these Semiconductor Valence orbit Covalent bond Crystal None of these Semiconductor 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? None of these 350 µA 250 µA 300 µA 0.25 µA None of these 350 µA 250 µA 300 µA 0.25 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? Emit light None of these Regulate voltage Amplify weak signals Rectify line voltage Emit light None of these Regulate voltage Amplify weak signals Rectify line voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Molecule is None of these A atom that flows whenever there is an imbalance of electrical charges between two points 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 A atom that has an excessive number of electrons in its outer orbit None of these A atom that flows whenever there is an imbalance of electrical charges between two points 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 A atom that has an excessive number of electrons in its outer orbit ANSWER DOWNLOAD EXAMIANS APP
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