engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Electrical and Electronics Measurements Indicating Instruments
How is the efficiency of instrument calculated?
1
\(\rm Instrument\ efficiency = \frac{Power \ taken\ at \ measured \ quantity} {Power \ taken \ by \ the \ instrument \ at \ full \ scale}\)
2
\(\rm Instrument\ efficiency = \frac {Power \ taken \ by \ the \ instrument \ at \ full \ scale} {Power \ taken\ at \ measured \ quantity}\)
3
\(\rm Instrument\ efficiency = \frac {Power \ taken \ by \ the \ instrument \ at \ full \ scale} {Measuring \ quantity \ at \ full \ scale}\)
4
\(\rm Instrument\ efficiency = \frac {Measuring \ quantity \ at \ full \ scale} {Power \ taken \ by \ the \ instrument \ at \ full \ scale}\)