Electronic Principles A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff? 50 Ohm None of these 60 Ohm 10 Ohm 100 Ohm or more 50 Ohm None of these 60 Ohm 10 Ohm 100 Ohm or more ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: multiplies the value of inductance by two reduces the value of inductance by one-fourth multiplies the value of inductance by four reduces the value of inductance by one-half None of these multiplies the value of inductance by two reduces the value of inductance by one-fourth multiplies the value of inductance by four reduces the value of inductance by one-half None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? None of these 35.4 V 37.4 V 30.4 V 38.74 V None of these 35.4 V 37.4 V 30.4 V 38.74 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction at a steady level None of these The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction at a steady level None of these The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction, but changes value periodically 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? 600 V 4.73 None of these 0.4 V 24 V 600 V 4.73 None of these 0.4 V 24 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a series circuit that contains four resistors having values of 220W, 470W, 1W, and 1.2W? 844.5 Ohm 1234 Ohm 692.2 Ohm None of these 3890 Ohm 844.5 Ohm 1234 Ohm 692.2 Ohm None of these 3890 Ohm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS