A. 3.0Ω; 0.9V
B. 3.0Ω; 3.0V
C. 3.3Ω; 0.3V
D. 3.3Ω; 9.0V
Correct Answer: Option A
Explanation
E = 3.0V; R/l=10Ωm‾¹
l = 30cm = 0.3m; R = 10Ωm‾¹ × 0.3m=3Ω
E/V=l1/l2 ⟹ 3/V = 1/0.3
= 3×0.3/1 =0.9V
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