What does “Field-potential relationship” actually mean in Electrostatic Potential & Capacitance, and why does it matter for NEET?
The electric field points in the direction in which potential decreases most rapidly. Along one dimension E_x = -dV/dx; the minus sign carries the direction information.
In simple words: The electric field points in the direction in which potential decreases most rapidly. Along one dimension E_x = -dV/dx; the minus sign carries the direction information. Getting Field-potential relationship clear matters because NEET questions on Electrostatic Potential & Capacitance usually test this idea directly, not just a formula you memorised.
Key point
Field-potential relationship
Common mistake
assuming electric field points toward higher potential.
Memory tip
a positive test charge naturally moves downhill in potential.
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