Fig. 9.1 shows a circuit in which a 12 V battery is connected to resistors A, B, C and D. Every resistor has a resistance of $6.0\,\Omega$.
(a(i))[1]
Calculate the total resistance of resistors A and B.
(a(ii))[2]
Calculate the total resistance of resistors A, B and C.
(a(iii))[1]
Calculate the total resistance of resistors A, B, C and D.
(b(i))[1]
Calculate the current supplied by the battery.
(b(ii))[2]
Calculate the amount of energy transferred from the battery to the circuit in 50 s.
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