Quelpr
3 marksElectricity in the Home

CSEC Physics · January 2010 · Paper 2 · Question 5(c)

A microwave oven consumes 1100 W when operated on high power. The mains potential difference is 110 V.

What is the MINIMUM current rating for a fuse to be used to protect the oven?

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 5(a)With the aid of a CLEARLY labelled circuit diagram, explain how the I – V characteristics of an unknown electrical component, X, may be determined.[6 marks]
  2. 5(b)(i)Determine the total resistance.[6 marks]
  3. 5(b)(ii)Determine the current drawn from the supply if all three bulbs are lit.[6 marks]

More practice: the rest of this paper · more Electricity in the Home questions · all CSEC Physics past papers