Electric Circuit Analysis: Unit I: b. Basic circuits analysis
Exercise
Basic circuits analysis | Electric Circuit Analysis
Electric Circuit Analysis: Unit I: Basic circuits analysis : Exercise
EXERCISE
1.
A resistor carries two alternative currents having same frequency and phase and
having the same peak value of 20 A. One is sinusoidal and the other is
rectangular in wave form. Find the rms value of the resultant current.
[Ans:
24.5 A]
Calculate
the average value and effective value of a periodic current wave having the
following values for equal time intervals over half-cycle, changing suddenly
from one value to the next. 0, 50, 70, 90, 110, 90, 70, 50, 0 and also
calculate form-factor and peak factor. To suley 2M
3.
The applied voltage to an A.C. circuit is v = 200 sin 314 t and the current
flowing is i = 20 sin Isbioauntla a 100 314 t. Find the following:
(a)
Peak values of voltage and current. [Ans:
200 V and 20 A]
(b)
Frequency of the voltage and current [Ans:
50 cps]
(c)
Effective values of voltage and current [Ans: 141.4 V, 14.14 A]]
(d)
The circuit element and its value [Ans: R = 10Ω]
(e)
Power factor and [Ans: p.f. = 1]
(f)
Draw the phasor diagram.
4.
In problem no. 3, the current I = 10 sin (314 t – π/2), the voltage being same.
What is the circuit element? If this element is doubled, what is the rms value
of the current. What is the phase angle?
[Ans
: Inductance, 3.535 A, ϕ = π/2 lag]
5.
In a circuit, having single element i = 4 sin (314 t + π/2) and the
voltage v = 60 sin 314 t.
(a)
Represent voltage and current in polar form.
(b)
Find the phase angle and power factor.
(c)
Identify the circuit element and find its value.
(d) Draw the phasor diagram by taking (i) voltage
as reference, (ii) current as reference.
[Ans: V = 42.42 ∠ 0°, 1 = 2.83 ∠ π/2, ϕ = π/2 lead, p.f. = 0
lead,
Electric Circuit Analysis: Unit I: b. Basic circuits analysis : Tag: : Basic circuits analysis | Electric Circuit Analysis - Exercise
Electric Circuit Analysis: Unit I: b. Basic circuits analysis
Under Subject
Electric Circuit Analysis
EE3251 2nd Semester 2021 Regulation | 2nd Semester EEE Dept 2021 Regulation
Related Subjects
Professional English II
HS3251 2nd Semester 2021 Regulation | 2nd Semester Common to all Dept 2021 Regulation
Statistics and Numerical Methods
MA3251 2nd Semester 2021 Regulation M2 Engineering Mathematics 2 | 2nd Semester Common to all Dept 2021 Regulation
Engineering Graphics
GE3251 eg 2nd semester | 2021 Regulation | 2nd Semester Common to all Dept 2021 Regulation
Physics for Electrical Engineering
PH3202 2nd Semester 2021 Regulation | 2nd Semester EEE Dept 2021 Regulation
Basic Civil and Mechanical Engineering
BE3255 2nd Semester 2021 Regulation | 2nd Semester EEE Dept 2021 Regulation
Electric Circuit Analysis
EE3251 2nd Semester 2021 Regulation | 2nd Semester EEE Dept 2021 Regulation
Physics for Electronics Engineering
PH3254 - Physics II - 2nd Semester - ECE Department - 2021 Regulation | 2nd Semester ECE Dept 2021 Regulation
Electrical and Instrumentation Engineering
BE3254 - 2nd Semester - ECE Dept - 2021 Regulation | 2nd Semester ECE Dept 2021 Regulation
Circuit Analysis
EC3251 - 2nd Semester - ECE Dept - 2021 Regulation | 2nd Semester ECE Dept 2021 Regulation
Materials Science
PH3251 2nd semester Mechanical Dept | 2021 Regulation | 2nd Semester Mechanical Dept 2021 Regulation
Basic Electrical and Electronics Engineering
BE3251 2nd semester Mechanical Dept | 2021 Regulation | 2nd Semester Mechanical Dept 2021 Regulation
Physics for Civil Engineering
PH3201 2021 Regulation | 2nd Semester Civil Dept 2021 Regulation
Basic Electrical, Electronics and Instrumentation Engineering
BE3252 2021 Regulation | 2nd Semester Civil Dept 2021 Regulation
Physics for Information Science
PH3256 2nd Semester CSE Dept | 2021 Regulation | 2nd Semester CSE Dept 2021 Regulation
Basic Electrical and Electronics Engineering
BE3251 2nd Semester CSE Dept 2021 | Regulation | 2nd Semester CSE Dept 2021 Regulation
Programming in C
CS3251 2nd Semester CSE Dept 2021 | Regulation | 2nd Semester CSE Dept 2021 Regulation