How do you solve an unbalanced bridge?

The unbalanced Wheatstone Bridge can be solved by the use of Kirchhoff’s Current Law and Voltage Law.


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. Does Meter bridge work on the principle of?
  5. What Is Null Voltage?

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CBSE CLASS XII Related Questions

  • 1.
    Write the expression for the magnetic field due to a current element in vector form. Consider a 1 cm segment of a wire, centered at the origin, carrying a current of 10 A in positive x-direction. Calculate the magnetic field \( \mathbf{B} \) at a point \( (1 \, \text{m}, 1 \, \text{m}, 0) \).


      • 2.
        Draw the number of scattered particles versus the scattering angle graph for scattering of alpha particles by a thin foil. Write two important conclusions that can be drawn from this plot.


          • 3.
            If both the number of protons and the neutrons are conserved in each nuclear reaction, in what way is mass converted into energy (or vice versa) in a nuclear reaction? Explain.


              • 4.
                Write any two features of nuclear forces.


                  • 5.
                    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 \( F \)

                    • 6.
                      Two thin lenses of focal length \( f_1 \) and \( f_2 \) are placed in contact with each other coaxially. Prove that the focal length \( f \) of the combination is given by \[ f = \frac{f_1 f_2}{f_1 + f_2}. \]

                        CBSE CLASS XII Previous Year Papers

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