When the Q point moves along the load line, the voltage increases when the current Stays the same Increases Can be any of above None of these Decreases TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following kinds of materials has the lowest permeability? A feiTomagnetic material None of these A diamagnetic material All of these A paramagnetic material TRUE ANSWER : ? YOUR ANSWER : ?
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 = I2R E = PR I = ER I = E/R None of these TRUE ANSWER : ? YOUR ANSWER : ?
When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: parallel RL circuit None of these parallel RLC circuit operated above its resonant frequency parallel RC circuit purely resistive circuit TRUE ANSWER : ? YOUR ANSWER : ?
The total capacitance of a series capacitor circuit is: equal to the sum of the individual capacitance values less than the value of the smallest capacitor None of these equal to the source voltage divided by total current equal to the sun of the individual capacitive-reactance values TRUE ANSWER : ? YOUR ANSWER : ?
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? 7.8 mA 200 mA None of these 208 mA 300 mA TRUE ANSWER : ? YOUR ANSWER : ?
What are the main parts of an atom? Electrons, ions, and neutrons None of these Protons only Electrons, protons, and ions Electrons, protons, and neutrons TRUE ANSWER : ? YOUR ANSWER : ?
If a load resistance is 1 kW, a stiff current source has a resistance of Less than 10 Ohm At least 10 Ohm Less than 100 k Ohm None of these More than 100 k Ohm TRUE ANSWER : ? YOUR ANSWER : ?
What is the turns ratio for the transformer specified in the above question? 1.5 None of these 10.738 0.707 0.575 TRUE ANSWER : ? YOUR ANSWER : ?
The knee voltage of a diode is approximately equal to the None of these Forward voltage Applied voltage Barrier potential Breakdown voltage TRUE ANSWER : ? YOUR ANSWER : ?