Testbook Logo
Exams SuperCoaching Test Series Skill Academy
More
English
Hindi

Question

Download Solution PDF

At t = 0+ an inductor with zero initial condition acts as a/an

This question was previously asked in
BHEL Engineer Trainee Electrical 2019 Paper
Download PDF Attempt Online
View all BHEL Engineer Trainee Papers >
  1. short circuit with voltage reflected back
  2. open circuit with current reflected back
  3. open circuit with voltage reflected back
  4. short circuit with current reflected back

Answer (Detailed Solution Below)

Option 2 : open circuit with current reflected back
Free Tests
View all Free tests >
Free
BHEL Engineer Trainee General Knowledge Mock Test
3.9 K Users
20 Questions 20 Marks 12 Mins
Start Now

Detailed Solution

Download Solution PDF

At t = 0+, the inductor acts as an open circuit with current reflected back.

At t = ∞, the inductor acts as a short circuit

Important Points:

At t = 0+, a capacitor with zero initial condition acts as a short circuit with voltage reflected back.

Download Solution PDF
Latest BHEL Engineer Trainee Updates

Last updated on May 20, 2025

-> BHEL Engineer Trainee result will be released in June 2025. 

-> BHEL Engineer Trainee answer key 2025 has been released at the official website. 

-> The BHEL Engineer Trainee Admit Card 2025 has been released on the official website.

->The BHEL Engineer Trainee Exam 2025 will be conducted on April 11th, 12th and 13th, 2025

-> BHEL Engineer Trainee 2025 Notification has been released on the official website.

-> A total of 150 Vacancies have been announced for various disciplines of Engineering like Mechanical, Electrical, Civil, etc.

-> Interested and eligible candidates can apply from 1st February 2025 to 28th February 2025.

-> The authorities has also released the BHEL Engineer Trainee Pattern 

-> The BHEL Engineer Trainee Selection Process is divided into two stages namely Written Test and Interview.

-> The selected candidates for the Engineer Trainee post will get a salary range between Rs. 60,000 - Rs. 1,80,000.

More Transient Analysis Questions

Q1.If laplace transform of voltage across capacitor of value 0.5 F is \(\rm V_c(s)=\frac{1}{s^2+1}\), the value of current through capacitor at t = 0+ will be: 
Q2.In the circuit shown switch is closed at t = 0. The time constant of the circuit is :
Q3.In a R-L-C series circuit when the supply frequency is more than resonating frequency, then:
Q4.Which of the following source is applied initially for charging a capacitor?
Q5.When an RC network is compared with respect to RL network, then
Q6.An R-L series circuit, where R = 10 Ω and L = 0.056 H, is connected to an AC supply of frequency 50 Hz. The magnitude of impedance of the circuit is:
Q7.A series R-L-C circuit having R = 5 Ω, L = 400 H and C = 4F is fed from a 400 ∠0° volt supply. Then the voltage across the capacitor at resonance will be _______.
Q8.A voltage source of V(t) = (10t3 - 5t + 10) Volt is applied across a 10F capacitor, the current through the capacitor at t = 2 sec is ________.
Q9.For the network shown in the figure, the switch is moved from a to b at t = 0-. What is the value of voltage v(t)?
Q10.What is the value of v0(t) for the circuit shown in the figure, assuming zero initial conditions?
Crack SSC JE (Electrical) Guaranteed Selection Program 2025 with
India's Super Teachers
Explore Supercoaching For FREE
Suggested Test Series
View All >
AE & JE Mechanical Engg. Exams Previous Year Papers Mock Test
178 Total Tests with 4 Free Tests
Start Free Test
BHEL Engineer Trainee Mock Test 2025
349 Total Tests with   5 Free Tests
Start Free Test
Suggested Exams
Exam-Logo
SSC JE EE
Exam-Logo
RCFL
Exam-Logo
BHEL Engineer Trainee

SSC JE EE Important Links

More Network Theory Questions

Q1.Which of the following factors is primarily used to determine the rating of a resistor?
Q2.In an electrical circuit, there are two resistors (R1 = 5 Ω and R2 = 10 Ω) connected in series with a 15 V battery. What is the voltage drop across R2, according to Kirchhoff’s Voltage Law (KVL)?
Q3.In a three-phase system, the sum of the three phase voltage phasors in a balanced system is _____. 
Q4.If two AC waveforms have a phase difference of 0°, they are said to be _____. 
Q5.Current I(s) in RL circuit is given as \(\rm I(s)=\frac{1.5}{s+4}\) Obtain i(t) for t > 0
Q6.A parallel RLC circuit has an inductance of 1 H and a capacitance of 1 µF. What is the resonant frequency (f0 )? 
Q7.A sinusoidal voltage is given by v(t)=100 sin(ωt+30°). What is the corresponding phasor representation?
Q8.If the peak voltage of a full-wave rectifier is 20 V, what is the average output voltage?
Q9.If the frequency of an AC source connected to a pure capacitor is doubled, the capacitive reactance will ________.
Q10.Find the voltage Vs in the circuit by using Kirchoff's Voltage Law. 
Exams
Test Series
Previous Year Papers
Syllabus
Cut Off
Eligibility
Coaching
Important Exams
Super Coaching
Testbook USA SAT Exam
Testbook USA ACT Exam
US College Admissions Guide
Testbook Edu Solutions Pvt. Ltd.
1st & 2nd Floor, Zion Building,
Plot No. 273, Sector 10, Kharghar,
Navi Mumbai - 410210
[email protected]
Toll Free:1800 833 0800
Office Hours: 10 AM to 7 PM (all 7 days)
Company
About usCareers We are hiringTeach Online on TestbookPartnersMediaSitemap
Products
Test SeriesTestbook PassOnline CoursesOnline VideosPracticeBlogRefer & EarnBooks
Our Apps
Follow us on
Copyright © 2014-2022 Testbook Edu Solutions Pvt. Ltd.: All rights reserved
User PolicyTermsPrivacy
Get Free Access Now
Hot Links： teen patti royal - 3 patti teen patti glory teen patti apk download teen patti real teen patti casino apk