Question

If an object has a net positive charge of 4.0 coulombs, the object possesses (1) 6.3 × 10^18 more electrons than protons (2) 2.5 × 10^19 more electrons than protons (3) 6.3 × 10^18 more protons than electrons (4) 2.5 × 10^19 more protons than electrons

Answer 1

(4)
`2.5 * 10^(19)` more protons than electrons

Step-by-step explanation:

Total positive change on the object is given as

`Q = 4 C`

now by the law of quantization of charge we know that the charge on any body is always in form of integral multiple of charge of an electron.

So we will have

`Q = N e`

here we know that

`4 = N(1.6 * 10^(-19))`

`N = 2.5 * 10^(19)`

Now we know that the object is positively charged so here electrons must be less in numbers than protons

so correct answer will be

(4)
`2.5 * 10^(19)` more protons than electrons