DSSSB JE EE : Electrical & Electronic Measurements QUIZ-1

An inverse transducer converts

Lissajous pattern obtained on a CRO screen is a circle. Frequency of two signals are

Frequency can be measured by using:-

The inductance of a high Q inductor can be measured using a:-

The permanent magnet in an a.c. energy meter provides:-

In a particular meter, the deflecting torque is directly proportional to the current flowing through it, the type of meter is

In a thermocouple the cold junction ¡s at 20°C and the neutral temperature is at 250^oC . The inversion temperature is:

The megohmmeter is used for measurement of:

Piezo meter is used to measure

Which of the following devices is used to measure flow in an open channel?