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A solenoid consists of 400 turns per meter and carries a currentof .45 Amperes. A 20 turn coil is wrapped tightly around thecircumference of the solenoid. The ends of the solenoid areconnected to a 2 Ohm resistor. Suddenly a switch is opened and thecurrent in the solenoid dies to zero in a time of .15 seconds. Theaverage current induced in the coil is 3*10^-5 Amperes. What is the cross sectional area of the solenoid?
Parallel plate capacitor. Plates have area of 2x2cm2 and interplate seperation is 1mm. Insulator inside capacitor has dielectric constant εr=4. Voltage across capactior has 10V amplitude.
A sinusoidal voltage has maximum amplitude of 90 V. The voltage passes through one complete cycle in 64 ms. What is the frequency of the voltage in hertz
A 5000-Ω resistor and a 50-μF capacitor are connected in a series at t = 0 with a 6-V battery. The capacitor is initially charged. what is the current in the circuit at t= 0, and at t= 5, and what is the maximum charge stored on the capacitor
RC series circuit c=10,r=1,vs=15 and intial capictor charge q(0)=0.01. write standard form of the diffierential equations which describe the capictors charge q(t) t>0, obtain integration factor u(t),and determine general solution for q(t)
(a) Calculate on the axis of a charged ring. The ring lies in the z = 0 plane, has radius a, and carries uniform charge density λ C/m. (b) Repeat for a charged disk. The disk lies in the z = 0 plane, has radius a, and carries uniform charge density ..
Discuss why the primary of a power transformer would have excessive current if the secondary were short-circuited. Why would there be no voltage across the secondary if the primary is open
In a 50 mm diameter x 0.5 mm thick wafer of pure germanium at room temperature, (a) how many conduction electrons would be present, and (b) how many electron holes would be present.
A sample of vinegar is 4.8% acetic acid, HC2H3O2, by weight, andhas a density of 1.00g/mL. Calculate (a) the grams of acetic acidin 1 liter of vinegar (b) the molarity of acetic acid invinegar. calculate the concentration of an ..
What happens when you have a non-zener and zener diode in series opposing each other eg non-zener is forward bias and the zener is reverse bias assuming both are ideal (infinite slopes when they are operating).
A 5V battery, when connected to a 100 ohm load, supplies the load with 40mA. a) determine the internal resistance of the battery. b)what is the battery output under no load conditions under full load conditions c) find the percent voltage regulati..
In telecommunication systems, Time-Division Multiplexing and Frequency -Division Multiplexing are used. Give detailed explanations for both systems and give succinct examples for each of them.
Write a main program to call a procedure that converts the Fahrenheit temperature value stored in the location labeled TdegF to its Celsius equivalent. The range of temperatures is 32°F to 212°F. The procedure stores the converted temperature
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