Pretest Question Three identical metal balls L M

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? M L +4 C 1. 2. 3. 4. 5. 6. 2 C 1 C 2/3 C 0. 5 C 0 C None of the above N -2 C 0 C

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? M L +4 C 1. 2. 3. 4. 5. 6. 4 C 2 C 1 C 0. 5 C 0 C None of the above 0 C

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? M L +4 C 1. 2. 3. 4. 5. 6. 2 C 1. 5 C 1 C 2/3 C 0 C None of the above N -2 C 0 C

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? M L +4 C 1. 2. 3. 4. 5. 6. 4 C 2 C 1 C 2/3 C 0. 5 C 0 C N -2 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? M L +4 C 1. 2. 3. 4. 5. 6. 2 C 1 C 2/3 C 0. 5 C 0 C None of the above N -2 C 0 C