netres in a glass tate the capilitary effect m when immersed in (i) water and (ii) mercury. The temperature of the liquid is 20°C and the values of surface tension of water and mercury at 20°C in contact with air are 0.0735 N/m and 0.51 N/m respectively. The contact angle for water 0=0° and for mercury 0 = 130°. Take specific weight of water at 20°C as equal to 9790 N/m³.

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Calculate the capillary effect in millimetres in a glass tube of 4 mm diameter;
when immersed in (i) water and (ii) mercury. The temperature of the liquid is 20°C and the values
of surface tension of water and mercury at 20°C in contact with air are 0.0735 N/m and 0.51 N/m
respectively. The contact angle for water 0=0° and for mercury 0= 130°. Take specific weight of
water at 20°C as equal to 9790 N/m³.
Transcribed Image Text:Calculate the capillary effect in millimetres in a glass tube of 4 mm diameter; when immersed in (i) water and (ii) mercury. The temperature of the liquid is 20°C and the values of surface tension of water and mercury at 20°C in contact with air are 0.0735 N/m and 0.51 N/m respectively. The contact angle for water 0=0° and for mercury 0= 130°. Take specific weight of water at 20°C as equal to 9790 N/m³.
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