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if an automobile battery delivers 120 A when the car is being started, and the starting process takes 6 seconds, how many electrons flow out of the battery?
Midway between the plates, a proton and an electron are released. The electron is released from rest. The proton is projected perpendicularly toward the negative plate with an initial speed. The proton strikes the negative plate at the same instan..
A 20-hp, 250 V shunt-DC motor has an armature circuit of 0.22 ohms and a field resistance of 170 ohms . At a low-load, the speed is 1200 rpm and the armature current is 3 A. At full-load, the current is 55 A, and the flux is reduced by 6%
Use specific details to support your answer. Then evaluate the relative success of democracy and capitalism in Russia, after the end of the Cold War.
A -find the dc collector current and the dc voltage at the collector. B Replacing the trasistor by its T-model, draw the small signal equivalent circuit of the aplifier. Analyze the resulting circuit to determine the voltage gain vo/vi.
A uniform plane wave propagates from one dielectric into another at normal incidence. Find the ratio of the dielectric constants such that the magnitudes of the reflection and transmission coefficients are both equal to 0.5.
Assuming that we can determine the Thevenin equivalent resistance of our wall socket, why don't toaster, microwave oven,and TV manufactorer match each appliance's Thevenin equivalent resistance to this value
Design a non-inverting amplifier with a voltage gain of approximately 12 with an input resistance of 12kOhm. Use SPICE to confirm the result using a simple model of the OpAmp
given voltage source of 120V, a 6ohm resistor and 8ohm capacitance are connected in parallel with an unknown impedance find impedance of the unknown load given real power is 5000W and reactive power is 2kvar.
Discuss how the ethical problem solving techniques presented in this course could be applied to bribery and the acceptance of gifts. This discussion should be two paragraphs in length.
A current source of value 2cos(2t) A is used to power a string of 2W lightbulbs. If you wanted to replace this current source with a DC one, but have the same power drop, what DC current should you apply (one decimal place needed)
(a) Design a high-pass filter with a cutoff frequency of 40 kHz. Use 0.01 uF capacitor and an appropriate resistor. B) Sketch and label the circuit. C) What is the gain of the filter at the cutoff frequency Give your answer both as ratio (Vout/Vin..
A certain power transistor is packaged in a TO-220 case having a thermal resistance, RJC = 3°C/W. The device will be mounted using a mica insulator and silicone grease (RCS = 1°C/W) onto a heat sink having RSA = 6°C/W.
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