Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? 1234 Ohm 692.2 Ohm 3890 Ohm None of these 844.5 Ohm 1234 Ohm 692.2 Ohm 3890 Ohm None of these 844.5 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: one-millionth of an ampere one million amperes 1000 A 10000A None of these one-millionth of an ampere one million amperes 1000 A 10000A None of these 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? I = ER E = I2R None of these I = E/R E = PR I = ER E = I2R None of these I = E/R E = PR ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 2-H coil operating at 60 Hz? 120 Ohm 30 Ohm 754 Ohm None of these 60 Ohm 120 Ohm 30 Ohm 754 Ohm None of these 60 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An unloaded zener regulator has a source voltage of 20 V, a series resistance of 330 W, and a zener voltage of 12 V, What is the Zener current? 24.2 mA 68.4 mA 34.4 mA None of these 28.4 mA 24.2 mA 68.4 mA 34.4 mA None of these 28.4 mA 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: One-half the primary current Same as the primary current No more than 10% less than the primary current Twice the primary current None of these One-half the primary current Same as the primary current No more than 10% less than the primary current Twice the primary current None of these ANSWER DOWNLOAD EXAMIANS APP
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