№ files_lp_3_process_7_105258
Physics laboratory instruction outlining the theoretical derivation, experimental setup, measurement procedure, and analytical questions for determining an unknown resistance using a balanced Wheatstone bridge circuit.
Title: Determining an Unknown Resistance Lab
Subject: Physics
Topic: Wheatstone Bridge and Electrical Resistance
Type of document: Laboratory experiment instruction
Educational level: Secondary or introductory college physics
Purpose: Verification of the Wheatstone bridge resistance formula
Key formula: Rx = R3(L2/L1)
Materials: Rheostat board with meter stick, rheostat rider, battery (1.5V–3V), alligator clips, known resistance, unknown resistance, galvanometer
Procedure: Circuit assembly and measurement of balanced bridge lengths
Assessment components: Data table, multiple trials, analytical questions
Source referenced: National Instruments Digital Library
Price: 8 / 10 USD
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