Electronic Principles A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff? 60 Ohm 100 Ohm or more None of these 10 Ohm 50 Ohm 60 Ohm 100 Ohm or more None of these 10 Ohm 50 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? 7200 A 180 A 0.083333333333333 None of these 0.5A 7200 A 180 A 0.083333333333333 None of these 0.5A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 0.3V 2 m V per degree Celsius None of these 0.7V 1 V 0.3V 2 m V per degree Celsius None of these 0.7V 1 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the number of turns of wire in an inductor: multiplies the value of inductance by four None of these reduces the value of inductance by one-half multiplies the value of inductance by two reduces the value of inductance by one-fourth multiplies the value of inductance by four None of these reduces the value of inductance by one-half multiplies the value of inductance by two reduces the value of inductance by one-fourth 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? 0.3 A None of these 0.4 A 0.6 A 0.2 A 0.3 A None of these 0.4 A 0.6 A 0.2 A 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? 1234 Ohm None of these 844.5 Ohm 3890 Ohm 692.2 Ohm 1234 Ohm None of these 844.5 Ohm 3890 Ohm 692.2 Ohm ANSWER DOWNLOAD EXAMIANS APP
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