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UNIVERSITY OF MASSACHUSETTS DARTMOUTH DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING ECE 201 CIRCUIT THEORY I CLASSROOM PROBLEM #1 • The voltage across the 22.5 Ω resistor is 90 Volts as shown. + R1 4 Ohm 90V R2 22.5 Ohm - Vsource 240 V R5 5 Ohm R3 20 Ohm R4 15 Ohm • a) Find the power dissipated in each resistor. • b) Find the power supplied by the 240 V ideal voltage source. • c) Verify that the power supplied equals the power dissipated.