Q. In indicating instruments the controlling torque is provided by a spring.

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Q. For measuring a very high resistance we should use

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Q. Assertion (A): Damping in a vibration galvanometer is small.

Reason (R): Vibration galvanometer is a PMMC instrument.

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Q. Magnetic flux can be measured by

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Q. Panel type instruments are used in

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Q. Which of the following can be used for measuring capacitance?

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Q. Assertion (A): In a CRT, grid is kept at negative potential with respect to cathode.

Reason (R): The function of grid in an electronic tube is to control the number of electrons.

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Q. The numbers of accelerating anodes in a CRO is

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Q. Consider the following statements regarding phase sensitive detector

1. The detector reads zero when phases of input signal and reference signal are different.
2. The detector acts as a linear rectifier.
3. The detector can be used as vector voltmeter.

Of the above statements which are correct?

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Q. In a Weston synchronoscope, the moving coil is connected across

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Q. The coding system generally used in digital telemetry is

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Q. The advantage of semiconductor strain gauge over resistance strain gauge is

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Q. A Q meter uses the principle of

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Q. In semiconductor strain gauge

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Q. Four terminal approach is used in measuring low resistance because it

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Q. In Weston synchronoscope the fixed coils are connected across

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Q. Which of the following is not a transducer in true sense?

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Q. In low power factor wattmeter, the pressure coil is connected

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Q. The signal to noise ratio in telemetry should be better than

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Q. Assertion (A): Electrodynamic instrument is not used as ammeter or voltmeter.

Reason (R): Electrodynamic instrument is more costly than PMMC and moving iron instrument.

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