एक लैंप में 125MA की धारा प्रवाहित हो रही हैं इसमें कितने इलेक्ट्रॉन पास होंगे।
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Explanation:
if it in 1 sec. then I = Q/t
125x 10⁶ = Q
then
Q = ne = n x 1.6 x 10 ^ -19
n =( 125 x 10⁶ ) / 1.6 x 10 ^ -19
= ( 125 x 10²⁶) /16 = 7.8 x 20²⁶
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