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Derive an expression for resistance measurement using Wheatstone Bridge.
written 9.4 years ago by gravatar for teamques10 teamques10 ★ 70k •   modified 9.4 years ago

Mumbai University > Electronics Engineering > Sem3 > Electronic Instruments and Measurements

Marks: 6M

Year: Dec 2013
electronic instrumentation and measurement
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written 9.4 years ago by gravatar for teamques10 teamques10 ★ 70k

For measuring any electrical resistance accurately, Wheatstone bridge is widely used. There are two known resistors - one variable resistor and one unknown resistor connected in bridge form as shown below. By adjusting the variable resistor, the current through the Galvanometer is made zero. When the current through the galvanometer …

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