1. for a string, the node represents the position where... a. acceleration is ma

ID: 2128016 • Letter: 1

Question

1. for a string, the node represents the position where...

a. acceleration is maximum

b. displacement is the greatest

c. displacement is zero

d. tension is maximum

e. velocity is maximum

2. the electric charge for a conductor will always...

a. migrate towards the center of the conductor

b. sit on the outside surface of the conductor

c. distributes itself evenly inside the interior of the conductor

3. what happens to the potential energy between two point charges as their distance doubles?

a. drops to a 1/4 of its original value

b. drops to a 1/2 of its original value

c. remains unchanged

d. increases by a factor of 2

e. increases by a factor of 4

4. a GFI circuit will "trip" when a current imbalance of ______ is reached

a. 0.005 A (5 mA)

b. 0.020 A (20 mA)

c. 0.05 A (50 mA)

d. 0.10 A (100 mA)

e. 0.50 A (500 mA)

f. 1.0 A

g. 15 A

h. 100 A

1-b,2-c,3-e,4-g

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