Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? less than 1 Ohm 312 Ohm None of these 690 Ohm 1590 Ohm less than 1 Ohm 312 Ohm None of these 690 Ohm 1590 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.6 A 0.2 A None of these 0.3 A 0.4 A 0.6 A 0.2 A None of these 0.3 A 0.4 A 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: Same as the primary current One-half the primary current No more than 10% less than the primary current Twice the primary current None of these Same as the primary current One-half the primary current No more than 10% less than the primary current Twice the primary current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Absolute Zero temperature equals -276o C 25o C -273o C 0o C None of these -276o C 25o C -273o C 0o C None of these 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? 0.995 mA 0.151 mA 157 raA 2.02 A None of these 0.995 mA 0.151 mA 157 raA 2.02 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts light energy to electrical energy is called a: solar cell thermocouple None of these photo transistor photodiode solar cell thermocouple None of these photo transistor photodiode ANSWER DOWNLOAD EXAMIANS APP
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