Resistance of the resistor

The resistor terminals have a voltage of 20 V and a current of 5 mA is passed through. What is the resistance of the resistor?

Result

R =  4000 Ω

Solution:

Solution in text R =

Try another example






Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:
1st comment
Be the first to comment!
avatar




To solve this example are needed these knowledge from mathematics:

Next similar examples:

  1. Coil as a girl
    tlmivka_TL1.JPG The electrical resistance of the copper wire coil is 2.0 ohms. What current runs through the coil when the voltage between the terminals is 3.0 V?
  2. Effective and mean voltage
    serial-parallel A voltage divider consisting of resistors R1 = 103000 Ω and R2 = 197000 Ω is connected to the ideal sine wave voltage source, R2 is connected to a voltmeter which measures the mean voltage and has an internal resistance R3 = 200300 Ω, the measured value is
  3. Resistance
    bulb_1 Determine the resistance of the bulb with current 200 mA and is in regular lamp (230V).
  4. Filament of bulb
    bulb _1 The filament of bulb has a 1 ohm resistivity and is connected to a voltage 220 V. How much electric charge will pass through the fiber when the electric current passes for 10 seconds?
  5. Pound2kilos
    vaha_19 How many pounds make 1 kilograms?
  6. Average
    avg The arithmetic mean of the two numbers is 71.7. One number is 5. Calculate the second number.
  7. Recipe
    vaha2_2 A recipe requires 2 pounds of flour. If a chef wants to triple the recipe, how many ounces of flour will be needed?
  8. Obtuse angle
    UholZSobr2 Which obtuse angle is creating clocks at 17:00?
  9. Seeds 2
    seed How many seeds germinated from 1000 pcs, when 23% no emergence?
  10. Gasoline
    fuel_pump2_1 How many liters of gas is in the tank if its weight 15.4kg. Specific density of gasoline is 770kg/m3.
  11. Customary length
    inch Convert length 65yd 2 ft to ft
  12. Feet to miles
    runners_6 A student runs 2640 feet. If the student runs an additional 7920 feet, how many total miles does the student run?
  13. Combine / add term
    combine Combine like terms 4c+c-7c
  14. Bicycle
    cestny_bicyk The bicycle pedal gear has 36 teeth, the rear gear wheel has 10 teeth. How many times turns rear wheel, when pedal wheel turns 120x?
  15. Simple equation
    axes_1 Solve for x: 3(x + 2) = x - 18
  16. Degrees to radians
    angle Convert magnitude of the angle α = 9°39'15" to radians:
  17. Diver and pressure
    tlak Determine what pressures is exposed diver without a suit at a depth of 15 meters, with a small space suit at a depth of 25 meters and a massive suit at a depth of 70 m in water.