Two charged particles 1 m apart exert a 1-N force on each other. If the magnitude of each charge is doubled, the force on each particle will be

a. 1 N.

b. 4 N.

c. 8 N.

d. 2 N.

e. none of the above

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Ohm's law is I = V : R. What is the current of a circuit with a 3.0-volt battery and 1.0 ohm of resistance? The current of a circuit with a 3.0-volt battery and 1.0 ohm of resistance is (blank) amps.

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