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13. Four 8 Ω speakers are connected in parallel to the output of an audio amplifier. If the maximum voltage to the speakers is 12 V, the amplifier must be able to deliver to the speakers ________.
(a) 18 W
(b) 1.5 W
(c) 48 W
(d) 72 W
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- 5555555555 16. A balanced Wheatstone bridge consists of an RV of 3,500 Ω, an R2 of 200 Ω, and an R3 of 680 Ω. The value of RUNK is ________. (a) 680 Ω (b) 1,029 Ω (c) 200 Ω (d) 880 Ω
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