Resistance Definition and 1000 Threads

The French Resistance (French: La Résistance) was a collection of French movements that fought against the Nazi German occupation of France and the collaborationist Vichy régime during the Second World War. Resistance cells were small groups of armed men and women (called the Maquis in rural areas) who, in addition to their guerrilla warfare activities, were also publishers of underground newspapers, providers of first-hand intelligence information, and maintainers of escape networks that helped Allied soldiers and airmen trapped behind enemy lines. The Resistance's men and women came from all economic levels and political leanings of French society, including émigrés, academics, students, aristocrats, conservative Roman Catholics (including priests and nuns), Protestants, Jews, Muslims, liberals, anarchists, and communists.
The French Resistance played a significant role in facilitating the Allies' rapid advance through France following the invasion of Normandy on 6 June 1944. The French Resistance provided military intelligence on the German defences known as the Atlantic Wall and on Wehrmacht deployments and orders of battle for the lesser-known invasion of Provence on 15 August. The Resistance also planned, coordinated, and executed sabotage acts on the Nazi electrical power grid, transport facilities, and telecommunications networks. The Resistance's work was politically and morally important to France both during the German occupation and decades that followed. It provided the country with an inspiring example of the patriotic fulfilment of a national imperative countering an existential threat to French nationhood. The actions of the Resistance stood in marked contrast to the collaborationism of the Vichy régime.After the Allied landings in Normandy and Provence, the paramilitary components of the Resistance were organized more formally, into a hierarchy of operational units known, collectively, as the French Forces of the Interior (FFI). Estimated at 100,000 fighters in June 1944, the FFI grew rapidly and reached approximately 400,000 by October. Although the amalgamation of the FFI was, in some cases, fraught with political difficulties, it was ultimately successful, and it allowed France to rebuild the fourth-largest army in the European theatre (1.2 million men) by VE Day in May 1945.

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  1. N

    What's the point of a voltmeter having a high internal resistance?

    Homework Statement I understand that voltmeters are supposed to have high internal resistances so that they won't draw much current. However, they are being attached parallel to the resistor anyways and according to Kirchhoff' Law that means the voltage through both the resistor for which we...
  2. N

    Why formula for internal resistance for charging battery v = e + Ir

    Homework Statement Why is the formula for internal resistance for a charging battery v = e + Ir? When the battery is supplying I to the circuit I understand why the terminal voltage, V, equals emf - IR (voltage lost by internal resistance), but if a battery is charging, why is the...
  3. T

    Battery & Resistance: Why is There a Difference?

    Hi every one, I placed a multimeter probe across the terminals of a 1.5 v alkaline battery and saw 2 M Ohms, I did the same across a mV power supply at 1.5 volts and got little below 1.5 K ohms. I don't understand what makes them have diffrent resistance, and exactly why? I did this because I...
  4. N

    Photodiode and negative resistance

    Our professor has asked us why would a photo diode when shined with light, produce no negative resistance. So far, the only thing I can come up with is because it is in photo conductive orientation (as opposed to photo voltaic) increasing Dark Current thereby eliminating the negative...
  5. ranju

    Finding Output Voltage, Resistance Drop & Current in a Circuit w/ Zener Diode

    In the given circuit we have to find the output voltage , the voltage drop across resistance RL (RL = 10KΩ) and the current through the zener diode having zener voltage VZ = 50V By this question I want to be clear about the way to solve circuits with zener diode...please explain the...
  6. S

    Application of low resistance wire

    Homework Statement I am currently doing the phy project on length vs resistance of wire. to reduce the power loss in transmission wire, the length of wire must be short, as power loss = (I^2) R... in my experiment , I fixed I (current) , now i am asked to find the application of low...
  7. matineesuxxx

    Projectile motion with air resistance

    Homework Statement Model the trajectory of a projectile with an initial velocity v_0 that is subject to the force of drag.Homework Equations F_{\text{d}} = \frac{1}{2}C_{\text{d}}\rho\text{A}(v(t))^2 v_x(t) = v_{0x} + \int_{t_0}^t a_x(t')\mathrm{d}t' The Attempt at a Solution I really...
  8. U

    Trend of resistance & reactance values in fault signal

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  9. U

    Resistance of wire vs wire with wide middle

    Homework Statement There are two wires: Wire one looks like --=========-- Wire two looks like --------------- Do they have the same resistance? So this isn't actually one of my homework problems, but I'm just debating this with a friend and neither of us can come to an agreement. So...
  10. M

    Resistance Variable Cross Section

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  11. B

    Resistance @ 95 from Resistance @ 35

    Please explain the below: Resistance@95 =R@35 x (1+α*(95x(I/Io)²+20))/(1+75x α) at the actual current A (I Act).
  12. J

    Laplace analysis of simple LC tank (no resistance)

    I am stumped by an exercise in using Laplace transforms to analyze the voltage and current in simple LC tank. My issue is with the correct sign of the voltage across the capacitor ...let me pose the problem. A circuit consists of a voltage source V, 2 switches, a cap C and an inductor L. The...
  13. STEMucator

    Solving a Coconut's Fall: Speed, Work, & Air Resistance

    Homework Statement A coconut, with ##m = 2.30 kg##, falls from rest from a tree which is ##h = 35.0 m## high. Take ##g = 9.78 m/s^2##. 1. What speed does the coconut hit the ground? Ignore air resistance. 2. If it actually hits the ground with a speed of ##23.9 m/s##, how much work was...
  14. D

    Water resistance as a spring constant

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  15. A

    Question involving EMF and internal resistance

    A cell supplies a current of 2 Ampere, when it is connected to 5 ohm resistance and supply a current of 1.2 Ampere. If it is connected to resistance of 9 ohm, find EMF(electro motive force) and Internal Resistance
  16. A

    Question over the concept of Electrical Resistance

    So what actually is the cause of electrical Resistance?
  17. R

    Engineering Calculate the Resistance of the RC circuit so that LED just stays on

    In a simple series circuit there is a 12V supply battery, 12μ6 F capacitor, a Resistor, and a 2v drop LED with an imax of 30mA. frequency is 10Hz Calculate the resistance of the resistor so that the LED just stays on. Homework Equations Resistance of Capacitor Xc = 1/2∏fC P=VI V=IR...
  18. B

    Why Does It Take 200 N to Slow Down a 10 kg Mass in Free Fall?

    If a 10 kg mass is in free fall (no air resistance), what force must be applied to slow the object down? (g = -10 m/s^2.) For this question, why is it 200 N and not 100 N? Wouldn't 100 N cancel out upward and downward forces and cancel them out?
  19. B

    Understanding Air Resistance: Explaining the Math Behind Reduced Force

    Can someone please explain the math of this problem? -If F is the force of air resistance on an object with mass m moving at a constant velocity, which of the following best describes the acceleration of the object when the force of air resistance is reduced by a factor of 4? (a) F/m (b)...
  20. R

    What are the different methods to measure the resistance of a capacitor?

    Homework Statement I was told that I can measure the "resistance" of a capacitor using 3 methods: 1. "The direct method" R = \int_1^2 \frac{\rho}{A} ds 2. "Ohm's Law" R=\frac{U}{I} U=\int_1^2 E ds E=\rho J = \frac{\rho i}{A} 3. "The analogy between electrostatics and electrokinetics"...
  21. E

    Calculating Iout & Output Resistance of BJT-MOSFET Circuit

    Hi! Here is my task: a) Calculate and sketch Iout=f(Vc2), for 0<Vc2<1.5V. (neglect Early effect) b) calculate output resistance for Vc2=Vc1. BJT's Q1 and Q2 are in forward active mode, have identical characteristics and same temperature. MOSFET M3 is in saturation. Iin=10μA, Vt=25mV...
  22. D

    MHB Find Solution to Power & Resistance w/ 10 Ohm Resistors

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  23. R

    Solve Haemodynamics Confusion: Peripheral Resistance, Sympathetic Stimulation

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  24. ?

    External AC Emitter Resistance Formula

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  25. E

    MOSFET amplifier input resistance

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  26. C

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  27. V

    How Many Electrons Pass Through a Gold Wire Per Second?

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  28. S

    Why does gravity not create resistance?

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  29. J

    V= IR So a circuit with no resistance has no current or voltage?

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  30. F

    Calculating equivelent resistance and equivelent capaictance

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  31. P

    Resistance of a discharging capacitor

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  32. Eagle9

    How quickly does E.coli gain resistance against antibiotics?

    As well-known, the bacteria (particularly E.coli) can gain the resistance against antibiotics. In Wikipedia its mechanism is written: I would like to know: 1) Are there any OTHER mechanisms for gaining the resistance? Can the bacteria gain resistance when it has got antibiotic, LB broth in...
  33. D

    Resistance of cylinder case a and case b

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  34. D

    Calculating Resistance for Cylindrical Conductors

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  35. J

    Microscopic properties of electrical resistance

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  36. P

    Air Resistance of a Diver using Ek and Eg

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  37. C

    Temperature Coefficient of Resistance of Two Wires in Series

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  38. Y

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  39. Y

    Calculating Coaxial Cable Insulation Resistance for Radial Current Density

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  40. A

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  41. A

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  42. P

    What is the Resistance of an Electric Iron with a Label of 240V, 2kW?

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  43. C

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  44. patrickmoloney

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  45. R

    Find resistance, inductance, and the time constant for an RL circuit.

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  46. Entanglement

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  47. S

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  48. N

    High resistance or low resistance for induction cooktops?

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  49. Y

    Equivalent resistance, using node voltage analysis

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  50. Maxo

    How to Model Projectile Motion with Air Resistance?

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