Does high resistance mean low current?

From Ohm’s law:

The relationship between voltage, current, and resistance: V = IR

The current is inversely proportional to the resistance. This means high resistance will cause the current to be low.


Related Questions

  1. What Is The Formula Of Ammeter?
  2. Why is the series arrangement not used for domestic circuits?
  3. What is the necessary condition for a conductor to obey Ohm's Law?
  4. Define: 1 volt, Potential difference
  5. Draw a circuit diagram to verify ohm’s law.
  6. Is resistance constant in Ohm's law?
  7. The resistance R= V/I, where V=100 ± 5.0V and I = 10 ± 0.2A. What is the total error in R?
  8. What are the applications of ohm's law used in daily life?
  9. Why is the curve representing Ohm's law linear?
  10. What are ohmic and non-ohmic devices? Give examples.
  11. State And Explain Joules Law Of Heating.
  12. Obtain the equation J = σE of Ohm's law on the basis of drift velocity
  13. A small bulb has a resistance of 2 ohms when it is cold. It draws 0.4-ampere current from a source of4V and then starts glowing. Calculate the resistance when it is glowing
  14. Find the current through a resistance 2 ohm if the voltage across the resistance is 6 V.
  15. Why Do We Use Ohm's Law?

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CBSE CLASS XII Related Questions

  • 1.

    A parallel beam of monochromatic light falls normally on a single slit of width $a$ and a diffraction pattern is observed on a screen placed at distance $D$ from the slit. Explain:

    (I) the formation of maxima and minima in the diffraction pattern, and

    (II) why the maxima go on becoming weaker and weaker with its increasing number $n$.


      • 2.
        The resistance of a metal wire at \(20^\circ\text{C}\) is \(1.05\,\Omega\) and at \(100^\circ\text{C}\) is \(1.38\,\Omega\). Determine the temperature coefficient of resistivity of this metal.


          • 3.
            Consider the nuclear reaction \( X \to Y + Z \). Let \( M_x \), \( M_y \), and \( M_z \) be the masses of the three nuclei X, Y, and Z respectively. Then which of the following relations hold true?

              • \( (M_x - M_z)<M_y \)
              • \( (M_x - M_y)<M_z \)
              • \( M_x>(M_y + M_z) \)
              • \( M_x<(M_y + M_z) \)

            • 4.

              A ray of light MN is incident normally on the face corresponding with side AB of a prism with an isosceles right-angled triangular base ABC. Trace the path of the ray as it passes through the prism when the refractive index of the prism material is (i) $\sqrt{2}$, and (ii) $\sqrt{3}$.


                • 5.

                  (I) The real image of an object placed between $f$ and $2f$ from a convex lens can be seen on a screen placed at the image location. If the screen is removed, is the image still there? Explain.

                  (II) Plane and convex mirrors produce virtual images of objects. Can they produce real images under some circumstances? Explain.


                    • 6.

                      A magnet held vertically, with its north pole down, is dropped along the axis of a closed solenoid placed vertically on a table. If the observer looks down from the top,

                        • the induced current will flow in the anticlockwise direction.
                        • the induced current will flow in the clockwise direction.
                        • no induced current will flow in the solenoid.
                        • the magnet will fall with a constant velocity.
                      CBSE CLASS XII Previous Year Papers

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