Wheatstone Bridge

Wheatstone bridge is a __________

• A.C. bridge

• High voltage bridge

• Power Dissipation bridge

• D.C. bridge

Wheatstone bridge is used to measure resistance in the range of ________

• 1Ω to a few megaohms

• 10kΩ to a few megaohms

• 100MΩ to a few gegaohms

• 100Ω to a few teraohms

Wheatstone bridge consists of _________

• 6 resistive arms

• 8 resistive arms

• 4 resistive arms

• 2 resistive arms

A galvanometer is used as a _________

• voltage source

• input impedance

• current source

• null detector

The balance condition of a Wheatstone bridge depends on the _________

• ratio of arms R₃ and R₄

• ratio of arms R₁ and R₁

•      current source and power source

• emf source and null detector

   The balance condition of wheat stone bridge is given by

• R₄ = R₃R₁R₂

• R₄ = R₃R₂/R₁

• R₄ = R₃₊R₂/R₁

• R₄ = R_3-R₂/R₁

Wheatstone bridge works on the principle of ________

• partial deflection

• full deflection

• no deflection

• null deflection