Electronic Principles What form of energy is used for creating static electricity? None of these Chemical energy Mechanical energy Solar energy Light energy None of these Chemical energy Mechanical energy Solar energy Light energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? 224 ohm 89.3 ohm 77.7 ohm None of these 88.8 ohm 224 ohm 89.3 ohm 77.7 ohm None of these 88.8 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 24 V None of these 0.4 V 600 V 4.73 24 V None of these 0.4 V 600 V 4.73 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: None of these doubles the amount of a capacitive reactance cuts the capacitive reactance in half has no effect on the capacitive reactance multiplies the capacitive reactance by 6.28 None of these doubles the amount of a capacitive reactance cuts the capacitive reactance in half has no effect on the capacitive reactance multiplies the capacitive reactance by 6.28 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? 300 mA None of these 208 mA 200 mA 7.8 mA 300 mA None of these 208 mA 200 mA 7.8 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it? E = PR I = ER E = I2R I = E/R None of these E = PR I = ER E = I2R I = E/R None of these ANSWER DOWNLOAD EXAMIANS APP
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