Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? Wattmeter Voltmeter Ammeter Ohmmeter None of these Wattmeter Voltmeter Ammeter Ohmmeter None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for voltage in a parallel circuit? The total voltage of a parallel circuit is the same as the voltages across each branch None of these The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit The total voltage in a parallel circuit is always less than the value of the smallest voltage The total voltage in a parallel circuit is equal to the average value of the individual voltages The total voltage of a parallel circuit is the same as the voltages across each branch None of these The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit The total voltage in a parallel circuit is always less than the value of the smallest voltage The total voltage in a parallel circuit is equal to the average value of the individual voltages ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 10 k Ohm 2 k Ohm 1 k Ohm 20 k Ohm None of these 10 k Ohm 2 k Ohm 1 k Ohm 20 k Ohm None of these 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? 18 V None of these 24 V 30 V 12 V 18 V None of these 24 V 30 V 12 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? 0.041666666666667 None of these 0.93 V 9.3 W 0.93 W 0.041666666666667 None of these 0.93 V 9.3 W 0.93 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: rotor commutator None of these battery armature rotor commutator None of these battery armature ANSWER DOWNLOAD EXAMIANS APP
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