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1. [6 points] Find the charge of the disk qdisk

2. [6 points] Find the linear charge density of the

ring Aring=

3. [6 points] Find the distance between the ring and

the disk d =

4. [3 points] The total electric field vector Ētotal at x

= d is in the

direction.

5. [3 points] The total electric field vector Ētotal at x

= d+2 is in the =

direction./n6. [6 points] Find the electric field magnitude at

point B located 9 m from point A, due to the ring

only Ering

7. [6 points] Find the electric field magnitude at x =

14 m from the origin, due to the disk only Edisk

Fig: 1

Fig: 2