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.

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Wheatstone Bridge – Important Topics
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Types of Circuits	Difference between air conditioning and refrigeration	Voltage
Current	Difference between kva and kw	Electrical Formula
Electric Dipole	Relation between kva and kw	Combination of Resistors
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Static Electricity	Ohm’s Law and its Limitations	Resistor Colour Codes
Current Electricity	Resistivity Temperature Dependence	Permittivity And Permeability
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Resistance	Difference Between Primary Cell and Secondary Cell	Resistivity formula
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CBSE CLASS XII Related Questions

1.
A long solenoid of length \( L \) and radius \( r_1 \) having \( N_1 \) turns is surrounded symmetrically by a coil of radius \( r_2 \, (r_2>r_1) \) having \( N_2 \) turns (\( N_2 \ll N_1 \)) around its mid-point. Derive an expression for the mutual inductance of solenoid and coil. Is \( M_{12} = M_{21} \) valid in this case?
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2.
Suppose a pure Si crystal has \( 5 \times 10^{28} \) atoms per \( \text{m}^3 \). It is doped with \( 5 \times 10^{22} \) atoms per \( \text{m}^3 \) of Arsenic. Calculate majority and minority carrier concentration in the doped silicon. (Given: \( n_i = 1.5 \times 10^{16} \, \text{m}^{-3} \))
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3.
A tank is filled with a liquid to a height of \( 12.5 \, \text{m} \). The apparent depth of a needle lying at the bottom of the tank is measured to be \( 9.0 \, \text{m} \). Calculate the speed of light in the liquid.
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4.
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.
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5.
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?
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6.
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.
View Solution

Similar Physics Concepts

Meter Bridge: Definition, Working Principle & Examples

Potentiometer: Working Principle, Types & Applications

Ohm's Law and Its Limitations: Explanation & Applications

Cells, EMF and Internal Resistance: Equations & Examples

Combination of Cells in Series and in Parallel

Electric Current: Effects, Types and Properties

Wheatstone Bridge: Derivation, Formula & Applications

Resistors in Series and Parallel Combination: Formula and Examples

Current Electricity: Definition, Types, Formulas & SI Units

Ampere: Definition, Conversions and Ammeter

CBSE CLASS XII Previous Year Papers

Physics

Physics Preparation Guides

Electric Charges and Fields: Flux, Gauss Law & Coulomb's Law

Applications of Gauss Law: Formula & Gauss Theorem

Coulomb’s Law: Formula, Vector Form & Limitations

Electric Charge: Definition, Formula, Types and Properties

Electric Field: Definition, Formula & Electric Field Direction

Gauss Law: Formula, Gauss Theorem & Electric Flux

Dipole in a Uniform External Field: Torque, Frequency, and Time Period

Electric Dipole: Definition, Significance and Electric Dipole Moment

Electric Flux: Formula, Equation, Symbol & SI Unit

Electrostatic Potential: Definition, Formula and SI Unit

Electric Potential Due to a Point Charge: Derivation & Formula

Potential Due to an Electric Dipole: Introduction, Formula and Derivation

Equipotential Surface: Work Done, Properties & Magnitude

Van de Graaff Generator: Principle, Working, and Construction

Energy Stored in a Capacitor: Formula, Derivation and Applications

Electrostatic Potential and Capacitance: Introduction & Derivations

Electric Charges and Fields Important Questions

Kirchhoff's Laws: Kirchhoff's Current and Voltage Laws & Applications

Meter Bridge: Definition, Working Principle & Examples

Potentiometer: Working Principle, Types & Applications

Physics NCERT Solutions

Doppler Shift: Formula & Applications

Volcanoes Eruption: Definition, Formation and Causes

Alpha-Particle Scattering and Rutherford’s Nuclear Model of Atom: Explanation

Tension Formula: Explanation and Solved Examples

Pressure Formula: Partial, Osmotic & Absolute Pressure

NCERT Solutions For Class 12 Physics Chapter 1: Electric Charges and Fields

NCERT Solutions For Class 12 Physics Chapter 8: Electromagnetic Waves

NCERT Solutions For Class 12 Physics Chapter 6: Electromagnetic Induction

NCERT Solutions for Class 12 Physics Chapter 13: Nuclei

NCERT Solutions For Chapter 14: Semiconductor Electronics

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