Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 30 V 12 V None of these 24 V 18 V 30 V 12 V None of these 24 V 18 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is most likely used for measuring the rate of electron flow? Voltmeter Ammeter Wattmeter None of these Ohmmeter Voltmeter Ammeter Wattmeter None of these Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for resistance in a parallel circuit? The total resistance of a parallel circuit is always less than the value of the smallest resistance The total resistance is equal to the sum of the individual resistances in a parallel circuit. None of these 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 of a parallel circuit is always less than the value of the smallest resistance The total resistance is equal to the sum of the individual resistances in a parallel circuit. None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Chemical energy None of these Solar energy Electronical energy Mechanical energy Chemical energy None of these Solar energy Electronical energy Mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The merging of a free electron and a hole is called Covalent bonding Lifetime Thermal energy Recombination None of these Covalent bonding Lifetime Thermal energy Recombination None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes are the minority carriers in which type of semiconductor? Intrinsic Extrinsic None of these p-type n-type Intrinsic Extrinsic None of these p-type n-type ANSWER DOWNLOAD EXAMIANS APP
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