21 (b) Look at the circuit Una connects.
A
21
31
41 (i)
Calculate the total resistance for this arrangement of resistors. ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... answer .................................................... Ω [2]
(ii)
The battery voltage is 4 V. Calculate the current supplied by the battery. ........................................................................................................................................... ........................................................................................................................................... answer ..................................................... A [2]
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Turn over for the remainder of question 10