UNITS

2 marks · Easy

A heater operates at a current of 1.5 A when powered by a voltage of 230 V.

(a)

State the unit for the current given in the question.

[1 mark]

(b)

State the unit for the voltage used by the heater.

[1 mark]

Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.

Show answer

(a) ampere or A

(b) volt or V

Common mistakes: Confusing units

Show mark scheme and worked solution

Marking points

B1 (a) · 1 mark · Current unit correctly stated as 'ampere' or 'A'.

B1 (b) · 1 mark · Voltage unit correctly stated as 'volt' or 'V'.

Worked solution

a) The unit for current is ampere (A). b) The unit for voltage is volt (V).