Circuit Analysis I: with MATLAB Applications by Steven T. Karris | 9780970951120 | 0970951124 | Holooly

Circuit Analysis

Circuit Analysis I: with MATLAB Applications

333 SOLVED PROBLEMS

Question: 6.9

For the circuit below, find the current i(t) given that vs(t) = 100cos(100t – 30°) . ...

Verified Answer:

tempt to solve this problem in the time-domain dir...

Question: 6.E.2

If the excitation in a circuit is a single sinusoidal source with amplitude A , radian frequency w , and phase angle , and the circuit contains resistors, inductors, and capacitors, all voltages and all currents in that circuit will be of the same A. amplitude A but different radian frequency w and ...

Verified Answer:

B

Question: 6.E.7

The resistance of a coil is R = 1.5 Ω and the inductance of that coil is 5.3 mH . If a current of i(t) = 4 cos wt A flows through that coil and operates at the frequency of f = 60 HZ , the phasor voltage V across that coil is A. 10 ∠ 53.1° VB. 6 ∠ 0° VC. 5.3 × 10^{-3} ∠ 90° VD. 6.8 ...

Verified Answer:

A w = 2πf = 2π × 60 = 377 r/s , j

X_{L}[...

Question: 9.2

In the circuit of Figure 9.4, the switch S has been in the closed position for a long time and opens at t = 0 . Find iL(t) for t > 0 , vR(0^-), and vR(0^+) ...

Verified Answer:

We are not given an initial condition for this exa...

Question: 10.7

For the circuit shown in Figure 10.37 find: a. vc(1^- ) = and ic(1^- ) b. vc(1^+ ) = and ic(1^+ ) c. vc(t = 10 min. ) = and ic(t = 10 min. ) d. ic(t ) for t > 1 ...

Verified Answer:

a. No initial condition is given so we must assum...

Question: A.16

Find the zeros, maxima and minima of the function 1 / (x – 0.1)² + 0.01 + 1/(x – 1.2)²+0.04 – 10 ...

Verified Answer:

Question: A.8

Let p5= 2x^6 – 8x^4 + 4x² + 10x + 12 Compute the derivative using d/dx p5 the polyder(p) function. ...

Verified Answer:

Question: 7.E.2

In the circuit of Figure 7.37 the phasor current I is A. 0 + j2 A B. 0 – j2 A C. 1 + j0 A D. 2 + j2 A E. none of the above ...

Verified Answer:

C Denoting the resistor in series with the voltag...

Question: B.4

It is given that A + j5. Find A . A^∗ ...

Verified Answer:

A . A^{∗}

= (3 + j5) ( 3 - j5) =...

Question: 6.E.7

The equivalent admittance Yeq of the network of Figure 6.18 is A. 4 – j1.5 B. 16/73 + j6/73 ...

Verified Answer:

A w = 2πf = 2π × 60 = 377 r/s , j

X_{L}[...

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