Discharge Definition and 268 Threads

A military discharge is given when a member of the armed forces is released from their obligation to serve. Each country's military has different types of discharge. They are generally based on whether the person completed their training and then fully and satisfactorily completed their term of service. Other types of discharge are based on factors such as the quality of the person's service, whether their service had to be ended prematurely due to humanitarian or medical reasons, whether the person had been found to have drug or alcohol dependency issues and whether they were complying with treatment and counseling, or whether the person had demerits or punishments for infractions or were convicted of any crimes. These factors affect whether they will be asked or allowed to re-enlist and whether they qualify for benefits after their discharge.

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  1. J

    Questions About Electromagnetic Radiation from Electricl Discharge

    Hi all, I am a newbie reseacher postgrad. My work will be the title above and is anyone know whether it falls in Quantum Mechanics or general Electromagnetic physics? Actually what is so different in Quantum Mechanics since I saw it seems having some corrrection in EM radiation/photon...
  2. D

    Safe Discharge of Monitor Capacitors: What's the Best Method?

    My buddy works at an extremely small (4 guys and a room) computer parts recycling and disposal place. They want to be able to take apart old monitors but are afraid of the potential shock from the main caps. I am told that the voltage can get up to 25,000 volts (I'm not sure of this value) and...
  3. A

    Electric Discharge Patterns: Coincidence or Controlled Pathways?

    I have just now seen this long exposure photo on http://en.wikipedia.org/wiki/High_voltage" from an electric discharge. Is it just me or does it appear that each discharge is taking an almost exact path down the length of the arc. I need to know if this is just a coincidence, and if not...
  4. J

    Exploring Electric and Magnetic Fields in a Spark Gap Discharge

    Hello All, I have another set of quick questions that may or may not have a quick answer :smile:. When a simple two-electrode spark gap discharges, what shape do the eclectic and magnetic fields take on? If I were to draw the electric and magnetic field vectors, would they be pointing...
  5. J

    Capacitance Discharge Ignition System

    Dear friends, I am building a CDI system to ignite fuel mixtures in a pressure chamber for flame speed measurements. I need a capacitor of about 5 nF, but it should hold up to 10 kV. Any suggestions on where I can get those. I also need a diode (rectifier) for 10 kV. Also I need high...
  6. L

    Investigate electrical oscillation by charge and discharge

    I have several question to ask? 1)why the voltage oscillates and amplitude decrease ? 2)how the frequency be affected by varing capacitance value and removed double c core ? 3)what is the corresponding physical quantities between spring -mass oscillation and electical oscillation? I have a...
  7. N

    How Do You Calculate Current in a Hydrogen Discharge Tube?

    I have been trying to figure out what the equation is for this problem: A glass tube filled with gas has electrodes at each end. When a sufficiently high potential difference is applied between the two electrodes the gas ionizes; electrons move towards the positive electrod, and the positive...
  8. C

    Green Pea Discharge: How Much Charge Can It Hold?

    I don't have a clue on where to start this as i don't know what other figures to use. Dry air will break down and generate a spark if the electric field exceeds 3x106N/C. How much charge could be packed onto a green pea (diameter 0.75cm) before the pea spontaneously discharges?
  9. T

    LAB - capacitor discharge and time constant

    OK, here is my frustration: I go to my lab, exchange equipment several times because some equipment is bad or wrong, do an experiment to show the time constant. First we charge the capacitor. Trial and error to find a good time increment. THEN, its time to discharge. AFTER 10 minutes of the...
  10. I

    Charging a capacitor in sereis and discharge in parallel?

    Ok. So putting capacitors in series decreases the capacitance of the circuit (and correct me if I'm wrong any where in this, and I'm likely to be). So this would mean it would take less time to charge, I'm assuming. What if you charged a set of, say 3, capacitors in series, then hooked them up...
  11. E

    Exploring the Science Behind the Crackling Sound of Electric Discharge

    Hi all, everyone has experienced electric shocks when discharging oneself, for example when you have clothes made of wool and take them off, or if you touch a metal object after walking across a carpet. My question: Why do you hear the discharge? I've noticed when getting the laundry out...
  12. A

    Thermodynamic Equilibrium of N2 Molecule in Electrical Discharge

    for the following question: spectroscopic observation of molecular N2 in an electrical discharge shows that the relative numbers of molecules in excited bivrational states with energies given by (epsilon)i=(i+1/2)hv are i 0 1 2 3 ni/n 1.00 0.25...
  13. P

    Water Flow Discharge: Is My Thinking Correct?

    I've got two tubes filled with liquid, their both of equal diameters, the first one is straight up and down about 20 feet long, the other is 100 feet long but is spiraled like on a spool, since the straight tube has a higher fall than the spiral, I would assume that the straight tube would have...
  14. J

    Why use a discharge tube instead of a light bulb?

    I did a physics lab about diffraction grating where we had to determine the angular positions of all spectral lines of the helium discharge tube. I have 3 questions : 1. Why use a discharge tube instead of a light bulb? - I think it might be because you would have to break up the white...
  15. W

    Inductor (and Capacitor) Discharge

    Hello folks, just having a few problems getting my head round LRC circuits and so have gone back to basics, first starting with Capacitors and Inductors discharging through resistors. At this stage I ask of you kind sirs two things: 1. Confirm that my understanding of the capacitor discharge...
  16. Q

    Battery capacity and time to full discharge

    A certain car batter with a 12.0 V emf has an initial charge of 120 A*h. Assuming that the potential across the terminals stays constant until the battery is completely discharged, for how many hours can it deliver energy at the rate of 100 W? I am not sure how to get time into the...
  17. T

    Calculating Mu for Unacceptable Dye Discharge in Paint

    OK, here is the question... its probably simple but i can't figure it out. A machine used to regualte the amount of dye dispensed for mixing shades of paint can be set so that it discharges an average of mu milliliteres(mL) of dye per can of paint. The amount of dye discharged is known to...
  18. U

    Capacitor Discharge: Physical Argument in Parallel & Series Connection

    I know that in a parallel connection, two capacitors that are charged and connected across a resistor, the switch is open, the capacitors discharge the same as if there was only one by itself? I need a physical argument as why this is? Any suggestions? I know that in a series connection, two...
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