Does high resistance mean low current?

From Ohm’s law:

The relationship between voltage, currentand 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.
    Photoemission of electrons occurs from a metal (\( \phi_0 = 1.96 \, \text{eV} \)) when light of frequency \( 6.4 \times 10^{14} \, \text{Hz} \) is incident on it. Calculate: Energy of a photon in the incident light, The maximum kinetic energy of the emitted electrons, and The stopping potential.


      • 2.
        Assertion (A) : All atoms have a net magnetic moment. Reason (R) : A current loop does not always behave as a magnetic dipole.

          • Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
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          • Both Assertion (A) and Reason (R) are false.

        • 3.
          Four independent waves are expressed as \[ (i)\; y_1=A_1\sin\omega t, \] \[ (ii)\; y_2=A_2\sin 2\omega t, \] \[ (iii)\; y_3=A_3\cos\omega t, \] \[ (iv)\; y_4=A_4\sin\left(\omega t+\frac{\pi}{3}\right) \] The interference between two of these waves is possible in

            • (i) and (iii) only
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            • All of them

          • 4.
            The figure shows three point charges kept at the vertices of triangle ABC. The net electric field, due to this system of charges, at the midpoint M of base BC will be:

              • \( \frac{q}{4 \pi \epsilon_0 l^2} \) pointing along MA
              • \( \frac{q}{\pi \epsilon_0 l^2} \) pointing along AM
              • \( \frac{q}{2 \pi \epsilon_0 l^2} \) pointing along AM
              • Zero

            • 5.
              If Bohr’s quantization postulate (angular momentum \( = \frac{nh}{2\pi} \)) is a basic law of nature, it should be equally valid for the case of planetary motion also. Why, then, do we never speak of quantization of orbits of planets around the Sun? Explain.


                • 6.
                  Assertion (A) : The mass of a nucleus is less than the sum of the masses of the constituent nucleons. Reason (R) : Energy is absorbed when the nucleons are bound together to form a nucleus.

                    • Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
                    • Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
                    • Assertion (A) is true, but Reason (R) is false.
                    • Both Assertion (A) and Reason (R) are false.
                  CBSE CLASS XII Previous Year Papers

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