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What is the electric potential energy of a charge of 1 μC placed in an electric
What is the electric potential energy of a charge of 1 μC placed in an electric potential of 200 V?
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Practice Questions
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Q1
What is the electric potential energy of a charge of 1 μC placed in an electric potential of 200 V?
0.2 mJ
0.1 mJ
0.4 mJ
0.5 mJ
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Electric potential energy U = q * V = 1 × 10^-6 C * 200 V = 0.2 mJ.
Questions & Step-by-step Solutions
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Q
Q: What is the electric potential energy of a charge of 1 μC placed in an electric potential of 200 V?
Solution:
Electric potential energy U = q * V = 1 × 10^-6 C * 200 V = 0.2 mJ.
Steps: 6
Show Steps
Step 1: Identify the charge value. Here, the charge (q) is given as 1 μC (microcoulomb). Convert this to coulombs: 1 μC = 1 × 10^-6 C.
Step 2: Identify the electric potential value. The electric potential (V) is given as 200 V.
Step 3: Use the formula for electric potential energy (U). The formula is U = q * V.
Step 4: Substitute the values into the formula. U = (1 × 10^-6 C) * (200 V).
Step 5: Calculate the result. U = 1 × 10^-6 * 200 = 0.0002 joules.
Step 6: Convert joules to millijoules. Since 1 joule = 1000 millijoules, U = 0.0002 joules = 0.2 mJ.
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