full wave bridge rectifier.
In full wave bridge rectifier four diodes D1,D2,D3 & D4 are connected along four arms in the way similar to the resistances connected in wheat stone bridge.
angle of contact.
It is defined as the angle between the tangent to the liquid surface at the point of contact and solid surface inside the liquid is called as angle of contact The value of angle of contact depends upon (i) Nature of solid and liquid in contact (ii) Cleanliness of the surface in contact (iii) Medium above the free surface of liquid
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