Electric field E = 2x³ i exists in a region. The potential d... — Physics | Mockzy

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Electric field E = 2x³ i exists in a region. The potential difference V_A - V_B between points A(x=0) and B(x=2 m) must be

2 V

4 V

8 V

16 V

A point charge of +1 μC is placed at a distance 10 cm directly above the centre

Two charges -20 C and +10 C are placed 30 cm apart. The potential at the centre

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