If the electric potential at a point is 10 V, what is the work done in bringing

Practice Questions

Q1
If the electric potential at a point is 10 V, what is the work done in bringing a charge of 2 C from infinity to that point?
  1. 20 J
  2. 10 J
  3. 5 J
  4. 40 J

Questions & Step-by-Step Solutions

If the electric potential at a point is 10 V, what is the work done in bringing a charge of 2 C from infinity to that point?
  • Step 1: Understand that electric potential (V) is measured in volts (V) and represents the potential energy per unit charge.
  • Step 2: Identify the charge (Q) being moved, which is given as 2 coulombs (C).
  • Step 3: Recognize that the electric potential at the point is given as 10 volts (V).
  • Step 4: Use the formula for work done (W) in moving a charge in an electric field: W = Charge × Potential.
  • Step 5: Substitute the values into the formula: W = 2 C × 10 V.
  • Step 6: Calculate the work done: W = 20 joules (J).
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