Pearson Edexcel International GCSE (9–1) · PHYSICS · Section
UNITS
16 practice questions
Practice questions
1–10 of 16
Question 1
1 mark · Easy
Answer and see the solution →State the SI unit for electric current.
Question 2
1 mark · Easy
Answer and check →Which of the following is the correct unit for measuring voltage?
- A.watt
- B.ampere
- C.joule
- D.volt
Question 3
1 mark · Easy
Answer and see the solution →Write the symbol for the SI unit of power.
Question 4
2 marks · Easy
Answer and see the solution →A heater operates at a current of 1.5 A when powered by a voltage of 230 V.
(a)[1 mark]State the unit for the current given in the question.
(b)[1 mark]State the unit for the voltage used by the heater.
Question 5
2 marks · Easy
Answer and see the solution →Complete the following table by filling in the correct SI unit for each quantity.
Quantity Unit Current Voltage Power Question 6
1 mark · Easy
Answer and check →What is the correct SI unit for measuring current?
- A.ohm
- B.ampere
- C.candela
- D.volt
Question 7
1 mark · Easy
Answer and see the solution →Which SI unit uses the symbol 'V'? State the physical quantity it measures.
Question 8
1 mark · Easy
Answer and see the solution →A power supply provides 12 V to a lamp. What is the SI unit of power that the lamp uses?
Question 9
1 mark · Normal
Answer and see the solution →State the unit used to measure electric current.
Question 10
1 mark · Normal
Answer and see the solution →What is the symbol for the unit of voltage?