Match the following: List I List II A. Digital counter 1. Measurement of harmonics B. Schering Bridge 2. Measurement of frequency C. Meggar 3. Measurement of loss angle of dielectric D. Spectrum analyser 4. Measurement of insulation resistance

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