SaraNextGen.Com


In cosmic rays 0.15 protons  are entering the earth’s atmosphere. If the radius of the earth is 6400 km, the current received by the earth in the form of cosmic rays is nearly.

a)

0.12 A

b)

1.2 A

c)

12 A

d)

120 A


Question ID - 151630 | Toppr Answer

In cosmic rays 0.15 protons  are entering the earth’s atmosphere. If the radius of the earth is 6400 km, the current received by the earth in the form of cosmic rays is nearly.

a)

0.12 A

b)

1.2 A

c)

12 A

d)

120 A

1 Answer - 5876 Votes

3537

Answer Key : (a) -

(a)

Surface area of earth,

Charge entering the earth per sec per unit area

 on solving



SaraNextGen