Related Questions

An instrument which detects electric current is known as
A Voltmeter
B Rheostat
C Watt-meter
D Galvanometer
The instrument used to measure electric current is -
A electrometer
B ammeter
C galvanometer
D spectrometer
The instrument used to measure electric current is- 
A Ammeter
B Electrometer
C Galvanometer
D spectrometer
An instrument store gives a 10% discount to all students off the original cost of an instrument. During a school sale, an additional 15% is taken off the discounted price. Rahim, a student at the local high school, purchases a flute for Tk. 306. What was its original cost before discount?
A Tk. 400
B Tk. 408
C Tk. 375
D Tk. 425
An instrument store gives a 10% discount to all students of the original cost of an instrument. During a school sale an additional 15% is taken off the discounted price. Rahim, a student at the local high school, purchases a flute for Tk 306. How much did it originally cost?
A Tk 400
B Tk 408
C Tk 375
D Tk 425
If the instrument is to have a wide range, the instrument should have
A Linear scale
B Square-law scale
C Exponential scale
D Logarithmic scale
Humidity is measured by which of the following instrument ?
A Barometer
B Thermometer
C Hygrometer
D Hydrometer
Degree to which an instrument indicates the changes in measured variable without dynamic error is called its
A Speed of response
B Reproducibility
C Fidielity
D Static characteristics
Which of the following instruments indicate the instantaneous value of the electrical quantity being measured at the time at which it is being measured ?
A Absolute instruments
B Indicating instruments
C Recording instruments
D Integrating instruments
Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water coloumn in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm).
A H
B 12.6 H
C 13.6 H
D 14.6 H

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