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Posted by on Saturday, March 12, 2011 at 10:12am.

An electric kettle operates at 230V and draws a current of 13A. What would the equivalent current be at the following voltages used in the UK National Grid? Show all your working.
a) 33kV (33000V) (4 marks)

b) 400kV (4 marks)

  • physics - , Saturday, March 12, 2011 at 2:00pm

    Power used: 230*13

    Current used= 230*13/33,000

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