Question

In the electron of the hydrogen atom is moving with a speed of 2 * 10⁶ ms⁻¹ in a circular orbit of radius 5 * 10⁻¹¹ m then calculate the current constituted by it?
1. 1A
2. 0.1A
3. 10²A
4. 1 mA​

Answer 1

Answer:

In the electron of the hydrogen atom is moving with a speed of 2 * 10⁶ ms⁻¹ in a circular orbit of radius 5 * 10⁻¹¹ m then calculate the current constituted by it?

1. 1A

2. 0.1A

3. 10²A

4. 1 mA

Explanation:

r=5×10

−11

v=2.2×10

6

m/s

time period,

T=

v

2πr

current = charge passing per unit time

I=

t

q

t=

v

2πr

I=

2πr

q

.v

=

5×10

−11

×2π

1.6×10

−19

×2.2×10

6

=

5×2π

1.6×2.2

×10

−2

=1.12×10

−3

A

I=1.12mA