Question: If the electric potential at a point is 10 V and the charge at that point is 2 C, what is the electric potential energy?
Options:
5 J
10 J
20 J
40 J
Correct Answer: 20 J
Solution:
Electric potential energy U is given by U = VQ. Here, U = 10 V * 2 C = 20 J.
If the electric potential at a point is 10 V and the charge at that point is 2 C
Practice Questions
Q1
If the electric potential at a point is 10 V and the charge at that point is 2 C, what is the electric potential energy?
5 J
10 J
20 J
40 J
Questions & Step-by-Step Solutions
If the electric potential at a point is 10 V and the charge at that point is 2 C, what is the electric potential energy?
Step 1: Identify the electric potential (V) at the point, which is given as 10 V.
Step 2: Identify the charge (Q) at that point, which is given as 2 C.
Step 3: Use the formula for electric potential energy (U), which is U = V * Q.
Step 4: Substitute the values into the formula: U = 10 V * 2 C.
Step 5: Calculate the result: U = 20 J.
Electric Potential Energy – Electric potential energy (U) is the energy a charge (Q) has due to its position in an electric field, calculated using the formula U = VQ, where V is the electric potential.
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