Question

11. If electric field between two large parallel plates is
2 N/C and charge on two plates are 10 C and 3 C
then force on one of the plates is
(1) 20 N
(2) 13 N
ON
q'}
(4) IN
q. 10​

Answer 1

The force on one of the plates is F21 = 60/7 N

Explanation:

E = E1 - E2 = 2

2 = q1 / 2Aεo - q2 / 2Aεo

2 = 10 / 2Aεo - 3 / 2Aεo

2 = 7 / 2Aεo = 3.5

2 / 3.5 = 1/Aεo

Now

F21 = ε1 x q2

F21 = q1 / 2Aεo x q2

F21 = 10 / 2 x 2/3.5 x 3

F21 = 30 x 10 / 35

F21 = 60/7 N

Hence the force on one of the plates is F21 = 60/7 N

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Answer 2

Explanation:

here is ur answer..........