Pretest Question: Three identical metal balls L, M and N initially have charge 4 C, -2 C and 0 C, respectively, as shown below. What is the charge on.

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Presentation transcript:

Pretest Question: Three identical metal balls L, M and N initially have charge 4 C, -2 C and 0 C, respectively, as shown below. What is the charge on N after you let L first touch M, and then remove L and let M touch N? L M + 4 C -2 C N 0 C 2 C 1 C 2/3 C 0.5 C 0 C None of the above

Study Question 1: Two identical metal balls L and M initially have charge 4 C and 0 C, respectively, as shown below. What is the charge on M after you let L touch M and set them apart? L M + 4 C 0 C 4 C 2 C 1 C 0.5 C 0 C None of the above

Study Question 2: Three identical metal balls L, M and N initially have charge 4 C, -2 C and 0 C, respectively, as shown below. What is the charge on L after you let L first touch M, and then remove L and let M touch N? L M + 4 C -2 C N 0 C 2 C 1.5 C 1 C 2/3 C 0 C None of the above

Study Question 3: Three identical metal balls L, M and N initially have charge 4 C, -2 C and 0 C, respectively, as shown below. What is the charge on N after you let L first touch N, and then remove L and let M touch N? L M + 4 C -2 C N 0 C 4 C 2 C 1 C 2/3 C 0.5 C 0 C

Posttest Question: Three identical metal balls L, M and N initially have charge 4 C, -2 C and 0 C, respectively, as shown below. What is the charge on N after you let L first touch M, and then remove L and let M touch N? L M + 4 C -2 C N 0 C 2 C 1 C 2/3 C 0.5 C 0 C None of the above