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Question
A circular metal loop is heated at point O as shown in Figure 4.6.
(i) In which direction would heat flow in the loop?
(ii) In which order are the pins at points P, Q and R fixed with the help of wax fall if points O, P, Q and R are equidistant from each other?
Solution
(i) The heat will flow in both directions i.e. from O to P and O to R.
(ii) At first the pins at R and P will fall simultaneously followed by the pin at Q.
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