RLC measuring bridge

Ohmic resistances, inductances and capacitances are determined in a Wheatstone bridge circuit operated on AC. Balancing is done aurally through headphones, using the high sensitivity of the human ear.

Benefits

• Quickly obtain experiment results using the Wheatstone bridge
• Easy to tune by aural measurement relying on the sensitivity of the human ear
• Save time while switching the numerous coils, resistance and capacities on-the-fly

Tasks

Determination of

1. ohmic resistances
2. inductances
3. capacitances with the Wheatstone bridge, using bridge balancing

Learning objectives

• Wheatstone bridge
• Inductive and capacitive reactance
• Ohmic resistance
• Impedance
• Kirchhoff's laws