Name:  

  Cost of electricity 

 

1.  If one unit of electricity costs p calculate the cost of these amounts of energy
    (a)  kWh    =  pence
    (b)  kWh    =  £
    (c)  90 kWh     =  £
 

2.  Complete this table:

  units used 
(kWh) 		   price per unit  
(pence)		     cost    
pence
pence
£
pence
pence
7.5 £
£ 
£18

3.  Look at this electricity bill

    (a)  The number of units used =   
    (b)  Cost of one unit = pence  
    (c)   The standing charge = £
    (d)  The reason for the standing charge is ...
         

6.  Look at these two electricity meters - read on different dates

Meter read in March 2003 Meter reading in June 2003

(a)  The energy used  = kWh

(b)   If the cost of 1 kWh  = 6.51p calculate the cost of the electricity used between March and June   £

(c)   If the standing charge is £8.05 calculate the total cost of the electricity bill (ignore VAT)  
£

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