### What is electric field strength

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##### Reference no: EM139192

Q1. Oxygen (O2) gas within a piston-cylinder assembly undergoes an expansion from a volume V1= 0.02 m3 to volume V2 = 0.03 m3. The relationship between pressure and volume throughout the procedure is p=AV-1+B, where A= 0.06 bar.m3 and B= 3.0 bar. For the O2, determine-

(a) The initial and final pressure, each in bar, and

(b) The work, in kJ.

Q2. An electric field with a magnitude of 155 N/C exists at a spot that is 0.17 m away from a charge. At a place that is 0.37 m away from this charge, what is electric field strength?

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