Physics - Electricity - Static - Electric field - Electric Field Problems

8 problems. P1: 'Electric field 0.3m from a +4μC charge: E = kQ/r² = ___ N/C' (4×10⁵). P2: 'Direction of field at this point: ___' (Away from the charge). P3: 'Force on a +2μC test charge placed here: F = qE = ___ N' (0.8). P4: 'Field between parallel plates 5cm apart with 100V across them: E = ___