Physics
Rise of oil a wick is due to

Density of the oil
Pressure of the oil
Surface tension of the oil
Viscosity of the oil

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Physics
The nature of fuse wire is

Low resistance and high melting point.
High resistance and high melting point.
High resistance and low melting point.
Low resistance and low melting point.

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Physics
A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water rises in the tube. The height of water rise in the tube can be increased by

Increasing the height of water in the vessel
Increasing the radius of the capillary tube
Decreasing the radius of the capillary tube
None of these

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