Answer item 2! 1. A sinusoidal alternating voltage has an RMS value of 440 V and a frequency of 50 hz. It crosses the zero axis in a positivedirection when t-0. Determine a) the time before passing through its negative maximum reaches the value of 225 V, b) thetime to reach a value of 300 V before coming to a period.2. Given the four instantaneous current e = -15 cos (346t-2), ez= 12.5 sin (346t+3m/4), es-10 sin (346t-/12) ande-18 cos (346t5n/8). Determine the resultant voltage using wave and vector solution.3. Three circuits A, B and C are connected in series across 350 V supply. The voltage across circuit A is 80 V lagging thesupply voltage by 33° and the voltage across circuit C is 140 V leading the supply voltage by 48° Determine the voltageacross circuit B and its phase displacement from the supply voltage using wave and vector solution.CSScanned with CamScanner

To convert a cosine wave representation into a sine wave representation the following expression is…

Answered: 2. Given the four instantaneous current…

2. Given the four instantaneous current e =-15 cos (346t-2), ez= 12.5 sin (346t+ 3/4), es-10 sin (3461-/12) and =-18 cos (346t+ 5/8). Determine the resultant voltage using wave and vector solution.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Concept explainers

Latches and Flip Flop

Just like logic gates, the latches and flip-flops are the important elements of an electronic circuit. The logic gates form the important part of combinatorial circuits, while the latches and flip-flops form the essential part of a sequential circuit. Sequential circuits form the important concept of automata theory in electronics and electrical engineering, these circuits are a kind of logic circuit whose output depends on both present input and past inputs, that is, the input history.

Question

Answer item 2!

1. A sinusoidal alternating voltage has an RMS value of 440 V and a frequency of 50 hz. It crosses the zero axis in a positive
direction when t-0. Determine a) the time before passing through its negative maximum reaches the value of 225 V, b) the
time to reach a value of 300 V before coming to a period.
2. Given the four instantaneous current e = -15 cos (346t-2), ez= 12.5 sin (346t+3m/4), es-10 sin (346t-/12) and
e-18 cos (346t5n/8). Determine the resultant voltage using wave and vector solution.
3. Three circuits A, B and C are connected in series across 350 V supply. The voltage across circuit A is 80 V lagging the
supply voltage by 33° and the voltage across circuit C is 140 V leading the supply voltage by 48° Determine the voltage
across circuit B and its phase displacement from the supply voltage using wave and vector solution.
CS
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