Related Questions

একটি হুইটস্টোন ব্রিজের চারটি বাহু P, Q, R এবং S-এ যথাক্রমে ৪Ω, 12Ω, 16 Ω এবং 48Ω রোধ যুক্ত আছে। ব্রিজটিকে সাম্যাবস্থায় আনতে চতুর্থ বাহুতে কত রোধ কীভাবে যুক্ত করতে হবে? (The resistances in the four arms, namely P, Q, R and S, of a Wheatstone bridge are ৪Ω, 12Ω, 16 Ω and 48Ω respectively. What resistance needs to be included in the fourth arm, and in what manner, in order to balance the bridge?)
A 24Ω, series
B 24 Ω, parallel
C 48 Ω, series
D 48Ω, parallel
__________ strain gauge is the most sensitive sensing element for strain measurement.
A Photoelastic
B Semiconductor
C Wire resistance
D None of these
নিচের কোনটি হুইটস্টোন ব্রিজের (Wheatstone Bridge) সাহায্যে পরিমাপ করা হয়?
A তড়িচ্চালক শক্তি
B বিভব পার্থক্য
C প্রবাহ
D রোধ
A Wheatstone bridge is often shown in a "diamond" configuration.
A True
B False
A Wheatstone bridge consists of four resistors in parallel.
A True
B False
Every direct stress is always accompanied by a strain in its own direction and an opposite kind of strain in every direction, at right angles to it. Such a strain is known as
A Linear strain
B Lateral strain
C Volumetric strain
D Shear strain
A cylinderical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson's ratio of the rod is
A 0
B 0.33
C 0.44
D 0.25
On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the __________ of the input signal.
A Frequency
B Amplitude
C Damping
D None of these
__________ circuit is most commonly used to measure strain with the help of a strain gauge.
A Ballast
B Voltage balancing potentiometric
C Simple current sensitive
D None of these
The strain energy stored in a body, when suddenly loaded, is __________ the strain energy stored when same load is applied gradually.
A Equal to
B One-half
C Twice
D Four times

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