Question

WHAT IS BALANCE POINT AS APPLIED TO THE WHEATSTONE BRIDGE?

Answer 1

Answer:

The Wheatstone bridge is the interconnection of four resistances forming a bridge. ... To find the value of unknown resistance the deflection on galvanometer made to zero by adjusting the variable resistor. This point is known as balance point of Wheatstone bridge.

Explanation:

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Answer 2

Answer:

The balance point of Wheatstone bridge is the point when the deflection on galvanometer set to zero by adjusting the variable resistor to determine the value of unknown resistance.

Explanation:

• Wheatstone bridge or resistance bridge is used to calculate the unknown resistance by balancing two arms of the bridge circuit in which one arm consists the unknown resistance.
• The Wheatstone Bridge Circuit consists two known resistors, one  one variable resistor and unknown resistor connected together in the form of a bridge.
• Under normal conditions, the bridge is unbalanced when current passes through the galvanometer.
• When no current flows through the galvanometer then the bridge is balanced. The balanced condition can be achieved by adjusting the variable resistance and known resistance.
• The Wheatstone bridge can be used for an accurate measurement of low resistance.

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