Question

3. The electric potential V produced by a point-like Charge $Q = 2.1 \cdot 10^{-7}$ C in vacuum is measured for different distances. Use the data below to find: c) the average potential and its uncertainty d) the value of the dielectric permittivity $\epsilon_0$ Electric potential V (kV) r(mm) Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Trial 6 15.0 134.1 113.8 116.5 134.9 118.3 134.8 18.0 107.0 96.1 95.7 115.4 104.4 111.0 21.0 95.7 83.8 81.3 94.3 89.5 95.3 24.0 79.8 71.8 71.9 85.7 72.8 84.8 27.0 72.4 66.1 65.2 73.7 65.1 74.9 30.0 65.1 57.1 57.8 66.6 58.5 65.0 33.0 59.0 54.8 53.5 60.5 56.0 57.5

          3. The electric potential V produced by a point-like Charge $Q = 2.1 \cdot 10^{-7}$ C in vacuum is measured for
different distances. Use the data below to find:
c) the average potential and its uncertainty
d) the value of the dielectric permittivity $\epsilon_0$
Electric potential V (kV)
r(mm)	Trial 1	Trial 2	Trial 3	Trial 4	Trial 5	Trial 6
15.0	134.1	113.8	116.5	134.9	118.3	134.8
18.0	107.0	96.1	95.7	115.4	104.4	111.0
21.0	95.7	83.8	81.3	94.3	89.5	95.3
24.0	79.8	71.8	71.9	85.7	72.8	84.8
27.0	72.4	66.1	65.2	73.7	65.1	74.9
30.0	65.1	57.1	57.8	66.6	58.5	65.0
33.0	59.0	54.8	53.5	60.5	56.0	57.5

3. The electric potential V produced by a point-like Charge Q = 2.1 · 10^-7 C in vacuum is measured for
different distances. Use the data below to find:
c) the average potential and its uncertainty
d) the value of the dielectric permittivity ϵ0
Electric potential V (kV)
r(mm) Trial 1 Trial 2 Trial 3 Trial 4 Trial 5 Trial 6
15.0 134.1 113.8 116.5 134.9 118.3 134.8
18.0 107.0 96.1 95.7 115.4 104.4 111.0
21.0 95.7 83.8 81.3 94.3 89.5 95.3
24.0 79.8 71.8 71.9 85.7 72.8 84.8
27.0 72.4 66.1 65.2 73.7 65.1 74.9
30.0 65.1 57.1 57.8 66.6 58.5 65.0
33.0 59.0 54.8 53.5 60.5 56.0 57.5

Added by Jose Carlos A.

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