▼ Part A What must the charge (sign and magnitude) of a 1.25 g particle be for it to remain balanced against gravity when placed in a downward-directed electric field of magnitude 670 N/C ? Express your answer in coulombs. VE ΑΣΦ Submit Part B E = Request Answer Submit What is the magnitude of an electric field in which the electric force it exerts on a proton is equal in magnitude to the proton's weight? Express your answer in newtons per coulomb. VE ΑΣΦ ? Request Answer с ? N/C

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.