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Measurement and Instrumentation

Measurement and Instrumentation
In a CRO which of following is not a part of electron gun?

 Cathode
 Grid
  X-Y plates
 Accelerating anode

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Measurement and Instrumentation
Standard resistor ia made from

Manganin
Nichrome
Platinum
Silver

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Measurement and Instrumentation
The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. This is to have full deflection when 100V is measured. What is the value of series resistor to be used?

99.99 ohms
99.99 K ohms
100 K ohms
100 ohms

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Measurement and Instrumentation
In a gravity controlled instrument, the deflection angle is proportional

Sine inverse of measurand
Measurand
Sine of the measurand
Square of the measurand

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Measurement and Instrumentation
When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is

 20.
 25.4.
 54.2.
 31.4.

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Measurement and Instrumentation
An Ohmmeter is a

Moving coil instrument
Moving iron instrument
Dynamometer instrument
None of the listed here

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MORE MCQ ON Measurement and Instrumentation

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