part 1 (SP mam)
part 2 (SP mam)
Determination of Hysteresis Loop
GRASSOT Flux Meter
Maximum Demand Indicator
Prithwiraj Purkait-Electrical and Electronics Measurements and Instrumentation (2013)
Problems on AC Bridges_for_students
Synchroscope
Teivector Meter
A-K-sawhney
Design of Microprocesser - Based Digital WATTMETER