Does current increase with voltage?

According to Ohm’s law, the voltage is calculated by the product of current and resistance. If the voltage increases there will be an increase in the current given that the resistance remains constant.


Related Questions

  1. What Is The Formula Of Ammeter?
  2. What is the necessary condition for a conductor to obey Ohm's Law?
  3. Why is the series arrangement not used for domestic circuits?
  4. Define: 1 volt, Potential difference
  5. Obtain the equation J = σE of Ohm's law on the basis of drift velocity
  6. What Is Effective Resistance?
  7. 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
  8. State And Explain Joules Law Of Heating.
  9. State Ohms law. How can it be verified experimentally?
  10. Why is the curve representing Ohm's law linear?
  11. Draw a circuit diagram to verify ohm’s law.
  12. Is resistance constant in Ohm's law?
  13. Find the current through a resistance of 2 ohms if the voltage across the resistance is 6 V.
  14. What are the applications of ohm's law used in daily life?
  15. Why Do We Use Ohm's Law?

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CBSE CLASS XII Related Questions

  • 1.
    Two parallel plate capacitors X and Y are connected in series to a 6 V battery. They have the same plate area and same plate separation but capacitor X has air between its plates, whereas capacitor Y contains a material of dielectric constant 4. Calculate the capacitances of X and Y, if the equivalent capacitance of the combination of X and Y is \( 4 \, \mu\text{F} \). Calculate the potential difference across the plates of X and Y.


      • 2.
        Two heaters rated as \((P_1,V)\) and \((P_2,V)\) are connected in series across a dc source of \(V/2\) volt. The power consumed by the combination will be –

          • \((P_1+P_2)\)
          • \(\dfrac{P_1+P_2}{2}\)
          • \(\dfrac{P_1P_2}{2(P_1+P_2)}\)
          • \(\dfrac{P_1P_2}{4(P_1+P_2)}\)

        • 3.
          Two small identical metallic balls having charges \( q \) and \( -2q \) are kept far at a separation \( r \). They are brought in contact and then separated at distance \( \frac{r}{2} \). Compared to the initial force \( F \), they will now:

            • attract with a force \( \frac{F}{2} \)
            • repel with a force \( \frac{F}{2} \)
            • repel with a force \( F \)
            • attract with a force \( F \)

          • 4.
            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.


              • 5.
                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
                  • (iii) and (iv) only
                  • (i), (iii) and (iv) only
                  • All of them

                • 6.
                  A light copper ring is freely suspended by a light string. A bar magnet is held horizontally with its length along the axis of the ring. The magnet is moved towards the ring with its N pole facing the loop. What will happen to the ring and its position? Explain.

                    CBSE CLASS XII Previous Year Papers

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