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A charge of 10 elementary charges is equivalent to
3
1.1 × 10^-5 N
1.60 x 10^-18 C
3.20 x 10^-14 N
gains electrons
3.2 x 10^-18 C
+2 × 10^-6 C
decreased to one-ninth
A point charge of -1.0 x 10^-9 coulomb is located 5.0 x 10^-2 meter from another point charge of +3.0 x 10^-9 coulomb. What is the magnitude of the electric force between the two point charges?
3
1.1 × 10^-5 N
1.60 x 10^-18 C
3.20 x 10^-14 N
gains electrons
3.2 x 10^-18 C
+2 × 10^-6 C
decreased to one-ninth
The distance between two point charges is tripled. Compared to the original force, the new electrostatic force between the charges is
3
1.1 × 10^-5 N
1.60 x 10^-18 C
3.20 x 10^-14 N
gains electrons
3.2 x 10^-18 C
+2 × 10^-6 C
decreased to one-ninth
A glass rod becomes positively charged when rubbed with silk. The silk becomes charged because it
3
1.1 × 10^-5 N
1.60 x 10^-18 C
3.20 x 10^-14 N
gains electrons
3.2 x 10^-18 C
+2 × 10^-6 C
decreased to one-ninth
What force will a proton experience in a uniform electric field whose strength is 2.00 x 10^5 newtons per coulomb?
3
1.1 × 10^-5 N
1.60 x 10^-18 C
3.20 x 10^-14 N
gains electrons
3.2 x 10^-18 C
+2 × 10^-6 C
decreased to one-ninth
Which of the following is a possible charge for a conducting sphere
3
1.1 × 10^-5 N
1.60 x 10^-18 C
3.20 x 10^-14 N
gains electrons
3.2 x 10^-18 C
+2 × 10^-6 C
decreased to one-ninth
A neutral rubber rod is rubbed with fur and acquires a charge of -2 x 10^-6 coulomb. The charge on the fur is
3
1.1 × 10^-5 N
1.60 x 10^-18 C
3.20 x 10^-14 N
gains electrons
3.2 x 10^-18 C
+2 × 10^-6 C
decreased to one-ninth
In the Millikan oil drop experiment, an oil drop is found to have a charge of -4.8 x 10^-19 coulomb. How many excess electrons does the oil drop have?
3
1.1 × 10^-5 N
1.60 x 10^-18 C
3.20 x 10^-14 N
gains electrons
3.2 x 10^-18 C
+2 × 10^-6 C
decreased to one-ninth
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