0Ekqr==×⋅FHGIKJ×≈×−2912899 10002.(.NmC45 10Cm)110NC.2223(b) The field described by Eq. 22-3 is nonuniform. (c) As the positively charged bee approaches the grain, a concentration of negative charge is induced on the closest side of the grain, leading to a force of attraction which makes the grain jump to the bee. Although in physical contact, it is not in electrical contact with the bee, or else it would acquire a net positive charge causing it to be repelled from the bee. As the bee (with grain) approaches the stigma, a concentration of negative charge is
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