A voltage of about 200 V can be measured________?
Aa D.C. potentiometer in conjunction with a volt ratio box
Ba D.C. potentiometer in conjunction with a known resistance
Cnone of the above
Ddirectly by a D.C. potentiometer
Correct answer
A. a D.C. potentiometer in conjunction with a volt ratio box
Explanation
The correct answer is a D.C. potentiometer in conjunction with a volt ratio box.