An electrical device draws 2.8 A (amps) when a voltmeter shows a voltage drop of 7.1 V (volts) across it. How much power is dissipated in the device? Give your answer to the nearest tenth (0.1) W (watt). Do NOT give units in the answer (since the units are already specified). Your Answer: Answer

An electrical device draws 2.8 A (amps) when a voltmeter shows a voltage drop of 7.1 V (volts) across it. How much power is dissipated in the device? Give your answer to the nearest tenth (0.1) W (watt). Do NOT give units in the answer (since the units are already specified). Your Answer: Answer

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter27: Service-entrance Equipment

Section: Chapter Questions

Problem 32R

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Concept explainers

KVL and KCL

KVL stands for Kirchhoff voltage law. KVL states that the total voltage drops around the loop in any closed electric circuit is equal to the sum of total voltage drop in the same closed loop.

Sign Convention

Science and technology incorporate some ideas and techniques of their own to understand a system skilfully and easily. These techniques are called conventions. For example: Sign conventions of mirrors are used to understand the phenomenon of reflection and refraction in an easier way.

Question

An electrical device draws 2.8 A (amps) when a voltmeter shows a voltage drop of 7.1
V (volts) across it. How much power is dissipated in the device?
Give your answer to the nearest tenth (0.1) W (watt). Do NOT give units in the
answer (since the units are already specified).
Your Answer:
Answer

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