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Tanya [424]
3 years ago
10

Helium is an unreactive gas with a high specific heat capacity.suggest a possible use for helium

Physics
2 answers:
lisabon 2012 [21]3 years ago
5 0
Filling balloons , for air balloons to float , can cool cylinder files and superconductors
jasenka [17]3 years ago
4 0

Answer:

Arc Welding

Explanation:

Since helium is nonreactive gas it can be stored in an inert arc shield with some other gas. This arc shield is used for arc welding. As helium has high specific heat capacity, the amount of gas required for producing sufficient heat for welding object will be considerably low as compared to other gases with low specific heat capacity

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Answer:

E = q V B     describes the electric field induced

E Proportional to V B

while the magnet is pushed into the coil the induced field (B) will increase (consider 1 turn of the coil)

If V is constant the E-field will increase due to increasing B and the galvanometer will deflect accordingly

When V drops to zero the deflection must again be zero

So one would see a blip due to the deflection of the galvanometer

Note that as V increases the galvanometer will deflect one way and then as V drops to zero the deflection will be opposite (drop to zero when V is zero)

B always increases to a constant value because of the properties of the magnet.

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Explanation:

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Elena-2011 [213]

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Law conservation of charge (D)

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