National 5 Electricity

• A

• B

• C

• D

• E

• A

• B

• C

• D

• E

A student suspects the ammeter A1 may be inaccurate. Ammeter A2 is known to be accurate.

Which of the following circuits should be used to compare the reading on A1 with A2?

• A

• B

• C

• D

• E

• 1.2V

• 1.5V

• 4.8V

• 97V

• 20Ω

• 0.3Ω

• 3.2Ω

• 10Ω

• 9.4mA

• 0.07A

• 0.01A

• 0.025A

• 480Ω

• 1560Ω

• 390Ω

• 840Ω

• 522Ω

• 58Ω

• 174Ω

• 17mΩ