Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? None of these Solar energy Chemical energy Electronical energy Mechanical energy None of these Solar energy Chemical energy Electronical energy Mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? None of these 20 A 50 A 0.20833333333333 None of these 20 A 50 A 0.20833333333333 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RC circuit? The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these The total voltage is less than the sum of the voltages across the resistance and capacitance The total voltage leads the total current by less than 90 degree The voltage always has the same amplitude and phase for every part of the circuit The total voltage is equal to the sum of the voltages across the resistance and capacitance None of these The total voltage is less than the sum of the voltages across the resistance and capacitance The total voltage leads the total current by less than 90 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? None of these Three - negative, positive and neutral terminals Four - two negative and two positive Two - a negative terminal and a positive terminal One - a negative terminal None of these Three - negative, positive and neutral terminals Four - two negative and two positive Two - a negative terminal and a positive terminal One - a negative terminal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz? Less than 1 Ohm 100 Ohm None of these 444 Ohm 628 Ohm Less than 1 Ohm 100 Ohm None of these 444 Ohm 628 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How many protons does the nucleus of a silicon atom contain? 29 None of these 48 4 14 29 None of these 48 4 14 ANSWER DOWNLOAD EXAMIANS APP