Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 220 ohm 445 ohm 150 ohm 690 ohm None of these 220 ohm 445 ohm 150 ohm 690 ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold 220 Ohm, 10% 22, 000 Ohm, 10% 220 Ohm, 5% None of these 22,000 Ohm, 5% 220 Ohm, 10% 22, 000 Ohm, 10% 220 Ohm, 5% None of these 22,000 Ohm, 5% ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 7.8 mA 300 mA None of these 200 mA 208 mA 7.8 mA 300 mA None of these 200 mA 208 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Inductive reactance is measured in units of: volts per second henrys amperes per second Ohm None of these volts per second henrys amperes per second Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 1 None of these 4 29 18 1 None of these 4 29 18 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Decreases 0oC Increases None of these Stays the same Decreases 0oC Increases None of these Stays the same ANSWER DOWNLOAD EXAMIANS APP