engineering recuitment UPPCL Technician Electrician 2022 Mock Test Electrician and Wireman Measuring Instruments
For accurate measurement of frequency with the help of a CRO, the signal, whose frequency is to be measured, is applied to:
1
either the X-plates or the Y-plates
2
the X-plates
3
the Y-plates
4
both, the X-plates and the Y-plates