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নিচের কোনটি সঠিক ?

1 k - W h = 3.6 \times 10^{6} j

1 k - W h = 3.8 \times 10^{6} j

1 k - W h = 3.6 \times 10^{8} j

1 k - W h = 3.8 \times 10^{8} j

ANS : 1

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