UN! Q.29 Two wires of same material have lengths L and 2 L and cross-sectional areas 4 A and A D) Ohm's law is not applicable to electron tubes, discharge tubes and electrolytes respectively. The ratio of their specific resistances would be A) 1:1 C) 1:8 B) 8:1 D) 1:2 Which expression is the best to compare the power dissipation in Q.30
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