Electronic measurements and instrumentation miscellaneous
- The price of capacitor will increase as:
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The price of capacitor will increase as voltage rating of the capacitor increases.
Correct Option: A
The price of capacitor will increase as voltage rating of the capacitor increases.
- Frequency compensation in a moving iron instrument is achieved by connecting a:
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Frequency compensation in a moving iron instrument is achieved by connecting a capacitor across the fixed coil.
Correct Option: D
Frequency compensation in a moving iron instrument is achieved by connecting a capacitor across the fixed coil.
- Schering bridge is used to:
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Schering bridge is used to determine the dielectric loss.
Correct Option: A
Schering bridge is used to determine the dielectric loss.
- In which of the following instruments the torque is proportional to the first derivative of inductance with respect to the angle?
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In moving iron instrument the torque is proportional to the first derivative of inductance with respect to the angle i.e.
τ ∝ dθ dt Correct Option: C
In moving iron instrument the torque is proportional to the first derivative of inductance with respect to the angle i.e.
τ ∝ dθ dt
- Instrument used for DC measurement alone is:
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Permanent magnet type instrument is used for DC measurement only.
Correct Option: B
Permanent magnet type instrument is used for DC measurement only.
