In an inert gas discharge tube 2.9 × 1018 positive ions (e+ ) move to the right through a cross-section of the tube each second, while 1.2× 1018 negative ions (e-)move to the left in the same time. The magnitude of current is

i=2.9+1.2+1018×1.6×10-19A=0.656A

In an inert gas discharge tube 2.9 × 1018 positive ions (e+ ) move to the right through a cross-section of the tube each second, while 1.2× 1018 negative ions (e-)move to the left in the same time. The magnitude of current is

i=2.9+1.2+1018×1.6×10-19A=0.656A

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In an inert gas discharge tube 2.9 $\times$ 10¹⁸ positive ions (e⁺ ) move to the right through a cross-section of the tube each second, while 1.2 $\times$ 10¹⁸ negative ions (e^-)move to the left in the same time. The magnitude of current is

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2.384 A

2.384 $\times$ 10^-3A

2.384 $\times$ 10^-6A

0.656 A

answer is D.

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$i = (2.9 + 1.2) + 10^{18} \times 1.6 \times 10^{- 19} A = 0.656 A$

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In an inert gas discharge tube 2.9 × 1018 positive ions (e+ ) move to the right through a cross-section of the tube each second, while 1.2× 1018 negative ions (e-)move to the left in the same time. The magnitude of current is

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In an inert gas discharge tube 2.9 $\times$ 10¹⁸ positive ions (e⁺ ) move to the right through a cross-section of the tube each second, while 1.2 $\times$ 10¹⁸ negative ions (e^-)move to the left in the same time. The magnitude of current is