Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Wattmeter Voltmeter Ohmmeter Ammeter None of these Wattmeter Voltmeter Ohmmeter Ammeter None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Number of lines of force None of these Magnetomotive force Flux density Reluctance Number of lines of force None of these Magnetomotive force Flux density Reluctance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? 20 km or less 20 k Ohm or more 200 k Ohm or more 200 k Ohm or less None of these 20 km or less 20 k Ohm or more 200 k Ohm or more 200 k Ohm or less None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 18 None of these 29 1 4 18 None of these 29 1 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 43922 3 2 None of these 43891 43922 3 2 None of these 43891 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? One - a negative terminal Two - a negative terminal and a positive terminal Four - two negative and two positive Three - negative, positive and neutral terminals None of these One - a negative terminal Two - a negative terminal and a positive terminal Four - two negative and two positive Three - negative, positive and neutral terminals None of these ANSWER DOWNLOAD EXAMIANS APP
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