Resistors

Two resistors connected in series give the resulting resistance 70Ω and 14.7Ω in parallel. Determine the resistance of this resistors.

Result

R1 =  49 Ω
R2 =  21 Ω

Solution:

Solution in text R__1 =







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:

Looking for help with calculating roots of a quadratic equation? Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

Next similar examples:

  1. Discriminant
    Quadratic_equation_discriminant Determine the discriminant of the equation: ?
  2. Roots
    parabola Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
  3. Equation
    calculator_2 Equation ? has one root x1 = 8. Determine the coefficient b and the second root x2.
  4. Water reservoir
    water_tower The cuboid reservoir contains 1900 hectoliters of water and the water height is 2.5 m. Determine the dimensions of the bottom where one dimension is 3.2 m longer than the second one.
  5. Quadratic equation
    parabola Determine the numbers b, c that the numbers x1 = -1 and x2 = 3 were roots of quadratic equation: ?
  6. Quadratic equation
    kvadrat_2 Find the roots of the quadratic equation: 3x2-4x + (-4) = 0.
  7. Theorem prove
    thales_1 We want to prove the sentense: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
  8. Fraction
    polynomial For what x expression ? equals zero?
  9. Equation
    function Eequation f(x) = 0 has roots x1 = 64, x2 = 100, x3 = 25, x4 = 49. How many roots have equation f(x2) = 0 ?
  10. Quadratic inequation
    eq2_8 If 5x + x² > 100, then x is not
  11. Reciprocal equation 2
    parabola2 Solve this equation: x + 5/x - 6 = 4/11
  12. Variable
    eq2_12 Find variable P: PP plus P x P plus P = 160
  13. Cinema 4
    cinema_2 In cinema are 1656 seats and in the last row are 105 seats , in each next row 3 seats less. How many are the total rows in cinema?
  14. Equation
    cubic How many real roots has equation ? ?
  15. Product
    floring The product of two consecutive odd numbers is 8463. What are this numbers?
  16. Variation equation
    fun2_4 Solve combinatorics equation: V(2, x+8)=72
  17. Evaluation of expressions
    eq222_10 If a2-3a+1=0, find (i)a2+1/a2 (ii) a3+1/a3