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Step 1 of 2 6.029E Refer to Figure 6.29 (b) in the text book. The currents flowing from the power supply are 0.103 mA, 1.252 mA and 2.78 mA. Determine the total current drawn from the power supply using Kirchhoff's current law. X =4.135 mA Therefore, the current drawn from the power supply is 4.135 mA . Step 2 of 2 Determine the power dissipated in the circuit. Substitute 15 V for Vcc and 4.135 mA for = 62 mW Therefore, the power dissipated in the circuit is 62 mW