Question: Two oppositely charged. Identical insulating spheres, each 50.0 cm in diameter and carrying a uniform charge of magnitude 175 µC are placed 1.00 m apart

Two oppositely charged. Identical insulating spheres, each 50.0 cm in diameter and carrying a uniform charge of magnitude 175 µC are placed 1.00 m apart center to center (Fig).
(a) If a voltmeter is connected between the nearest points (a and b) on their surfaces, what will it read?
(b) Which point, a or b, is at the higher potential? How can you know this without any calculations?

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