Match the following: List I (Instrument) List II (Measured quantity) A. Hot wire 1. only voltage B. PMMC 2. phase C. Electrostatic 3. true RMS value D. Lock in Amplifier 4. dc value

• A-3, B-2, C-1, D-4
• A-1, B-4, C-2, D-3
• A-3, B-4, C-1, D-2
• A-2, B-3, C-4, D-1