Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? None of these 844.5 Ohm 1234 Ohm 3890 Ohm 692.2 Ohm None of these 844.5 Ohm 1234 Ohm 3890 Ohm 692.2 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Free electrons Valence electrons Thermal energy Doping None of these Free electrons Valence electrons Thermal energy Doping None of these 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? 208 mA 300 mA None of these 200 mA 7.8 mA 208 mA 300 mA None of these 200 mA 7.8 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02 micro F capacitor that is operating from a 12-V ac, 100-Hz source? 157 raA 2.02 A None of these 0.151 mA 0.995 mA 157 raA 2.02 A None of these 0.151 mA 0.995 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A real voltage source has A large internal resistance A small internal resistance Infinite internal resistance None of these Zero internal resistance A large internal resistance A small internal resistance Infinite internal resistance None of these Zero internal resistance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? None of these 24 V 18 V 12 V 30 V None of these 24 V 18 V 12 V 30 V ANSWER DOWNLOAD EXAMIANS APP
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