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Current I flowing through a metallic wire is gradually increased. Show graphically how heating…
Current I flowing through a metallic wire is gradually increased. Show graphically how heating power (P) developed in it varies with the current (I). (Application)
Draw: graph showing how heating power (P) developed varies with current (I)
Must show: current I on x-axis, power P on y-axis, parabolic curve $P \propto I^2$ passing through origin
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From ISC 2026 Specimen Physics Paper 1, question 1(B)(i).