Edexcel IGCSE Physics 2.1 Electricity units
Practise selecting and writing the correct electrical units, including A, C, J, Ω, s, V and W, in readings and answers.
- Syllabus
- First assessment 2019
- Course
- Physics 4PH1
Exam points
- state the unit for current as ampere, amp or A rather than the symbol for current
- convert charge readings
2.1 Electricity units question 1
The student extends the investigation by recording additional data for the lamp.
This is her method.
For each voltage
- switch the current on for 45 seconds
- record the current and colour of the lamp
- calculate the power and the energy transferred by the lamp
The table shows the student's results.
State the unit for current.
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