Figure Q21.21 shows two concentric circular electrodes, charged as noted. What can you conclude about the electric potential and the field strength at the two noted points between the two electrodes? A. The potential is greater at point A; the field strength is greater at point A. B. The potential is greater at point A; the field strength is greater at point B. C. The potential is greater at point B; the field strength is greater at point A. D. The potential is greater at point B; the field strength is greater at point B.
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