Meter bridge works on the principle of?

A meter bridge is also known as a slide wire bridge and is an instrument that works on the principle of the Wheatstone Bridge. A meter bridge is used to find the unknown resistance of a conductor as in a Wheatstone bridge.


Related Questions

  1. Meter Bridge or Slide Wire Bridge is a practical form of?
  2. Why Carey Foster Bridge Is So Sensitive?
  3. Can you find very high resistance accurately with the help of a Metre bridge?
  4. What Is Null Voltage?

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CBSE CLASS XII Related Questions

  • 1.
    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.


      • 2.
        What is displacement current (\( i_d \))? Considering the case of charging of a capacitor, show that \( i_d = \varepsilon_0 \frac{d\Phi_E}{dt} \). What is the value of \( i_d \) for a conductor across which a constant voltage is applied?


          • 3.
            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).
              • 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.

            • 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.
                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° in 0.2 s. The value of emf induced in the loop will be:

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

                • 6.
                  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 \( F \)
                  CBSE CLASS XII Previous Year Papers

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