What does measuring the specific gravity of electrolytes indicates?
Why the state of charge of a nickel-iron cell cannot be determined by measuring the specific gravity of the electrolyte ?
State the types of errors in measuring instruments and reasons of occurrence of errors.
State the desirable qualities of measuring instrument and explain any two in brief.
A uniform illumination of 150 lux is to be obtained on the floor of a room measuring 15m x 15m by arranging electric lights suitably. Calculate the number of lamps and wattage of each ... lamp efficiency is 20 lumens/watt. Assume and write suitable values of constants required for this calculation.
What are the three types of electrical measuring instruments?
What are the methods for measuring power quality in transmission?
Why is hysteresis undesirable in a measuring instrument?
What battery measurement is performed when measuring the electrolytes specific gravity?
Define the term ‘calibration’ and state its need for measuring instruments.
Give some methods available for measuring three-phase power.
What are the units for measuring electricity?
29.4k questions
1.3k answers
7.4k users