What is the use of the meter bridge experiment?

Use of meter bridge experiment:

The meter bridge experiment is used to test the laws of resistance and figure out unknown resistances.

  • Meter Bridge wire is made of copper-nickel alloy (constantan), alloy manganin, and chromium, nickel, and iron alloys (nichrome) as they are resistant to corrosion.
  • They have cold temperatures and a high melting point of around 1400 degrees Celsius.
  • A meter bridge is an electrical device that is used to calculate the resistance of a conductor.

It can also be used to determine the series and parallel equivalent of resistances.


Related Questions

  1. Can you find very high resistance accurately with the help of a Metre bridge?
  2. Why Carey Foster Bridge Is So Sensitive?
  3. Meter Bridge or Slide Wire Bridge is a practical form of?
  4. Meter bridge works on the principle of?
  5. Why should we get the null point in the middle of the Metre bridge wire?
  6. How does a bridge circuit work?
  7. How do you solve an unbalanced bridge?
  8. Explain the construction of meter bridge.
  9. Why is Wheatstone's bridge more accurate?
  10. What Is Null Voltage?

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CBSE CLASS XII Related Questions

  • 1.

    (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.


      • 2.
        In a region, the electric potential varies as \(V = 10 - 50x\), where \(V\) is in volts and \(x\) is in meters. The electric field in the region is

          • \(10\ \text{N/C}\) along \(+x\)
          • \(10\ \text{N/C}\) along \(-x\)
          • \(50\ \text{N/C}\) along \(+x\)
          • \(50\ \text{N/C}\) along \(-x\)

        • 3.

          A square loop of side 0.50 m is placed in a uniform magnetic field of 0.4 T perpendicular to the plane of the loop. The loop is rotated through an angle of $60^\circ$ in 0.2 s. The value of emf induced in the loop will be:

            • 5 V
            • 3.5 V
            • 2.5 V
            • Zero V

          • 4.

            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.

            • 5.
              Two point charges -Q and Q are located at points (d, 0) and (0, d) respectively, in x-y plane. The electric field E at the origin will be:

                • \(\frac{1}{4\pi\epsilon_0} \frac{\sqrt{2}Q}{d^2} (\hat{i} - \hat{j})\)
                • \(\frac{1}{4\pi\epsilon_0} \frac{\sqrt{2}Q}{d^2} (-\hat{i} - \hat{j})\)
                • \(\frac{1}{4\pi\epsilon_0} \frac{Q}{d^2} (\hat{i} - \hat{j})\)
                • \(\frac{1}{4\pi\epsilon_0} \frac{Q}{d^2} (-\hat{i} - \hat{j})\)

              • 6.
                A current of \(4.0\,\text{A}\) flows through a wire of length \(1\,\text{m}\) and cross-sectional area \(1.0\,\text{mm}^2\), when a potential difference of \(2\,\text{V}\) is applied across its ends. Calculate the resistivity of the material of the wire.

                  CBSE CLASS XII Previous Year Papers

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