Q20Short answer
Three 2 Ω resistors, A, B and C, are connected as shown Fig. 12.6 in Figure 12.7. Each of them dissipates energy and can withstand a maximum power of 18W without melting. Find the maximum current that can flow through the three resistors?
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Maximum current through resistor A = A = 3 A. Thus the maximum current through resistors B and C each 3× A = 1.5 A.