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Standard XII

Physics

Scale Conversions

No other ther...

Question

No other thermometer is as suitable as a platinum resistance thermometer to measure temperature in the entire range of

0°C to 100°C

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100°C to 1500°C

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- 50°C to +350°C

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- 200°C to 600°C

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Solution

The correct option is D
- 200°C to 600°C

$- 200^{\circ} C t o 600^{\circ} C$ can be measured by platinum resistance thermometer.

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Similar questions

Q. No other thermometer is as suitable as a platinum resistance thermometer to measure temperatures in the entire range of

Q. 1.which type of material(wire) is used in resistance thermometer?
2.which thermometer is more sensitive? mercury or gas
3.which range of temp. can you measure using platinum resistance thermometer?

Q. The electrical resistance of pure platinum increases linearly with increasing temperature over a small range of temperature. This property is used in a Platinum resistance thermometer. The relation between

R_{θ}

(Resistance at

θ K

) and

R_{0}

(Resistance at

θ_{0} K)

is given by

R_{θ} = R_{0} [1 + α (θ - θ_{0})]

, where

α =

temperature coefficient of resistance. Now, if a Platinum resistance thermometer reads

0^{\circ} C

when its resistance is

80 Ω

and

100^{\circ} C

when its resistance is

90 Ω

, find the temperature at which its resistance is

86 Ω

The resistance of pure platinum increases linearly with temperature (over a small range). We can use this property to measure temperature of different bodies, relative to a scale.

If we scale the thermometer such that a resistance of 80 Ω denotes $0^{o} C$ and 90 Ω denotes $100^{o} C$ , what temperature will a resistance of 86 Ω denote?

Q. The resistance of a platinum wire of a platinum resistance thermometer at the ice point is

5 Ω

and at steam point is

5.4 Ω

. When the thermometer is inserted in a hot bath, the resistance of the platinum wire is

6.2 Ω

. Find the temperature of the hot bath.

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No other thermometer is as suitable as a platinum resistance thermometer to measure temperature in the entire range of

The correct option is D - 200°C to 600°C −200∘C to 600∘C can be measured by platinum resistance thermometer.

The correct option is D
- 200°C to 600°C

$- 200^{\circ} C t o 600^{\circ} C$ can be measured by platinum resistance thermometer.