1. What is the magnitude and direction of the electrostatic force on qc due to the presence of the other charges? 2. What is the magnitude and direction of the electric field at the center of the square? 3. If qc will be transferred to the center of the square, how much work is needed? 4. What is the potential energy of this system of charges? 100 nC 150 nC 30 сm B 30 ст A+ 50 uC D 100 uC
1. What is the magnitude and direction of the electrostatic force on qc due to the presence of the other charges? 2. What is the magnitude and direction of the electric field at the center of the square? 3. If qc will be transferred to the center of the square, how much work is needed? 4. What is the potential energy of this system of charges? 100 nC 150 nC 30 сm B 30 ст A+ 50 uC D 100 uC
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