Electronic Principles What is the smallest number of polarities required for current flow? Four - two negative and two positive One - a negative terminal Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals None of these Four - two negative and two positive One - a negative terminal Two - a negative terminal and a positive terminal Three - negative, positive and neutral terminals None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point down off the load line nowhere None of these up down off the load line nowhere None of these up ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? None of these Mechanical energy Chemical energy Electronical energy Solar energy None of these Mechanical energy Chemical energy Electronical energy Solar energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: No more than 10% less than the primary current One-half the primary current None of these Same as the primary current Twice the primary current No more than 10% less than the primary current One-half the primary current None of these Same as the primary current Twice the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is The smallest electrically charged particle The number of free electrons in an atom None of these Trie force that causes electrons to flow The flow of charged particles through a material The smallest electrically charged particle The number of free electrons in an atom None of these Trie force that causes electrons to flow The flow of charged particles through a material 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? 20 k Ohm None of these 10 k Ohm 2 k Ohm 1 k Ohm 20 k Ohm None of these 10 k Ohm 2 k Ohm 1 k Ohm ANSWER DOWNLOAD EXAMIANS APP
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