Electronic Principles What is the smallest number of polarities required for current flow? One - a negative terminal Four - two negative and two positive None of these Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal One - a negative terminal Four - two negative and two positive None of these Three - negative, positive and neutral terminals Two - a negative terminal and a positive terminal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Electronical energy Solar energy Mechanical energy None of these Chemical energy Electronical energy Solar energy Mechanical energy None of these Chemical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? None of these I = ER I = E/R E = I2R E = PR None of these I = ER I = E/R E = I2R E = PR 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? 200 k Ohm or less 20 k Ohm or more 20 km or less 200 k Ohm or more None of these 200 k Ohm or less 20 k Ohm or more 20 km or less 200 k Ohm or more None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 312 Ohm None of these 690 Ohm less than 1 Ohm 1590 Ohm 312 Ohm None of these 690 Ohm less than 1 Ohm 1590 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio for the transformer specified in the above question? 0.575 0.707 10.738 1.5 None of these 0.575 0.707 10.738 1.5 None of these ANSWER DOWNLOAD EXAMIANS APP
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