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The voltage (potential difference) across a length of wire is 1.5 V - Edexcel - GCSE Physics: Combined Science - Question 5 - 2023 - Paper 2

Question 5

The voltage (potential difference) across a length of wire is 1.5 V. A charge of 0.042 C flows through the wire. Calculate the energy transferred. Use the equation E... show full transcript

Worked Solution & Example Answer:The voltage (potential difference) across a length of wire is 1.5 V - Edexcel - GCSE Physics: Combined Science - Question 5 - 2023 - Paper 2

Step 1

Calculate the energy transferred using the equation E = Q × V

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Answer

To find the energy transferred (E), we can use the equation provided:

Identify the values:
- Charge (Q) = 0.042 C
- Voltage (V) = 1.5 V
Substitute the values into the equation:

$E = Q \times V$

$E = 0.042 \times 1.5$
Perform the calculation:

$E = 0.063$ J

Thus, the energy transferred is 0.063 J.

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