A metal with temperature coefficient of resistance has a value 200, its initial resistance is given by 40‚Äö√Ñ√∂‚àö√´¬¨‚àÇ. For an increase in 300c to350c what will be the final resistance value?$

4 K‚Äö√Ñ√∂‚àö√´¬¨‚àÇ

40 K‚Äö√Ñ√∂‚àö√´¬¨‚àÇ

40 ‚Äö√Ñ√∂‚àö√´¬¨‚àÇ

400 ‚Äö√Ñ√∂‚àö√´¬¨‚àÇ

A metal with temperature coefficient of resistance has a value 200, it

1.	A metal with temperature coefficient of resistance has a value 200, its initial resistance is given by 40‚Äö√Ñ√∂‚àö√´¬¨‚àÇ. For an increase in 30⁰c to35⁰c what will be the final resistance value?$
A.	40 K‚Äö√Ñ√∂‚àö√´¬¨‚àÇ
B.	4 K‚Äö√Ñ√∂‚àö√´¬¨‚àÇ
C.	40 ‚Äö√Ñ√∂‚àö√´¬¨‚àÇ
D.	400 ‚Äö√Ñ√∂‚àö√´¬¨‚àÇ
Answer» B. 4 K‚Äö√Ñ√∂‚àö√´¬¨‚àÇ

Discussion

No Comment Found

Related MCQs

______ is an example of a passive transducer that uses the variation in electrical resistance in wires to sense the ______ produced by a force on the wires.
Direction: It consists of two statements, one labelled as Statement (I) and the other as Statement (II). Examine these two statements carefully and select the answers to these items using the codes given below:Statement (I): A ‘strain gauge’ is an example of a ‘Transducer’ or an electromechanical transformer.Statement (II): In the ‘strain gauge’, displacement is used to vary the resistance of a circuit component and the ‘strain’ is measured in terms of the change in the resistance.
A resistance strain gauge is used to measure the stress of steel which is stressed to 1200 kg/cm2. If the gauge factor is 2.5 and Young’s modulus of steel is 2 x 106 kg/cm2, the percentage change in resistance of the gauge is
Direction: The following item consists of two statements, one labelled as ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answers to these items using the code given below:Statement I: The gauge factor of a strain gauge is the ratio of strain to per unit change in resistance.Statement II: Poisson’s effect is defined as producing less strain with opposite sign on the plane perpendicular to the applied load.
Dummy strain gauges are used for:
Four identical resistive strain gauges with gauge factor of 2.0 are used in a Wheatstone bridge as shown in the figure below. Only one of the strain gauges RSENSE changes its resistance due to strain. If the output voltage VOUT is measured to be 1 mV, the magnitude of strain, in units of microstrain, is
A resistance wire strain gauge with a gauge factor of 2 is bonded to a steel structural member subjected to a stress of 100 MN / m2. The modulus of elasticity of steel is 200 GN / m2. The change in the value of gauge resistance due to the applied stress will be
A resistance strain gauge is cemented to a steel member, which is subjected to a strain of 2 × 10-6. If the original resistance is 100 Ω and change in resistance is 600 μΩ, the gauge factor will be
A structural member is compressed to produce a strain of 5 μm/m. The nickel wire strain gauge has a gauge factor of -12.1. The pre-stress resistance of the gauge is 120 Ω. The change in resistance due to compressive strain will
A resistance strain gauge with a gauge factor of 2.0 is fastened to a steel member subjected to a stress of 100 N/mm2. The modulus of elasticity of steel is approximately 2 × 105 N/mm2. The percentage change in resistance is

A metal with temperature coefficient of resistance has a value 200, its initial resistance is given by 40‚Äö√Ñ√∂‚àö√´¬¨‚àÇ. For an increase in 300c to350c what will be the final resistance value?$

Discussion

No Comment Found

Related MCQs

Reply to Comment

A metal with temperature coefficient of resistance has a value 200, its initial resistance is given by 40‚Äö√Ñ√∂‚àö√´¬¨‚àÇ. For an increase in 30⁰c to35⁰c what will be the final resistance value?$