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Ques------An electron gun emits 2.0 × 10^16 electrons per second. What electric current does this correspond to here explain the last step how power got 10^-3 from 10^-9 Sol.----------- No. of electrons per second = 2 * 10^16 electrons / sec. Charge passing per second = 2 * 10^16 * 1.6 * 10^-9 coulomb/sec = 3.2 * 10^-9 Coulomb/sec Current = 3.2 * 10^-3 A

Ques------An electron gun emits 2.0 × 10^16 electrons per second. What electric current does this correspond tohere explain the last step how power got 10^-3 from 10^-9Sol.----------- No. of electrons per second = 2 * 10^16 electrons / sec. Charge passing per second = 2 * 10^16 * 1.6 * 10^-9 coulomb/sec = 3.2 * 10^-9 Coulomb/sec Current = 3.2 * 10^-3 A

Grade:12

1 Answers

Vikas TU
14149 Points
7 years ago
First of all U have written the charge value incorrectly.
it is:1.6 * 10^-19 coulomb
not 1.6 * 10^-9 coulomb.
Now U can check through it comes as:
10^-3. finally.
 

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