Q121. If a certain piece of copper is to be shaped into a conductor of minimum resistance, it is length (L) and cross-sectional area (a) shall respectively be :Physics — Current Electricity — Question 121 of 484A. L, 2AB. L/2, 2AC. 2L, 2AD. 2L, A/2Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →