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The critical radius of insulation for cylinder is given by

r_c = \frac{h_2}{k_2}

Explanation

r_c = \frac{2k_2}{h_2}

Explanation

r_c = \frac{k_2}{h_2}

Explanation

r_c = \frac{2h_2}{k_2}

Explanation

The critical radius of insulation for sphere is given by

r_c = \frac{h_2}{k_2}

Explanation

r_c = \frac{2k_2}{h_2}

Explanation

r_c = \frac{k_2}{h_2}

Explanation

r_c = \frac{2h_2}{k_2}

Explanation

Critical radius of insulation