1. The potential at a point in space is, 8.3V, the potential at a point 14.6cm a
ID: 1581334 • Letter: 1
Question
1. The potential at a point in space is, 8.3V, the potential at a point 14.6cm away from the first is 9.4V. Calculate the electric field strength between Ans: E = 7.531m 2. The probes of a voltmeter are separated by a distance of 9.4cm. The voltmeter display gives the potential difference between these probes as 6.5V. Calculate the electric field in the region between the voltmeter Ans: E = 69.15x/m 3. The distance between a 6V equipotential line and a 8V equipotential line is 2.2mm. Calculate the electric field in the region between these equipo- Ans: E = 909.1V/m these two points using Eq 1.5. probes. tentials.Explanation / Answer
1)
V1 = 8.3V
V2 = 9.4V
r = 14.6cm = 0.146m
Electric field is given by:
E = dV/dr
= (9.4 - 8.3)/0.146
= 7.53 V/m
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