Ask Electrical & Electronics Expert

1. What do you mean by Ideal voltage source?

2. Determine the impedance of the circuit in which voltage v = 75 sin(5000t + 45o) V and current is i=1.5 cin (5000t - 45o) A.

3. Determine the Q factor of the series circuit consists of resister 12Ω and inductance 0.12H supplied with a 100v, 50 Hz source.

4. Define Maximum power transfer theorem.

5. Find the laplace transform of sinωt.

6. Symmetrical 3 phase, 400V system supplies balanced star connected load.  Current in each branch circuit is 20 A and the phase angle is 40o lag.  Determine the total power.

7. Coil of resistance 40Ω and inductance 0.75H form the part of a series circuit for which resonant frequency is 55Hz.  If supply is 250V, 50Hz determine a) Line current b) the power factor c) Voltage across the coil.

8. Deduce the step voltage response equation for the series RLC circuit.

9. What do you mean by complex frequency?  Describe how it can be interpreted physically?

10. Two coupled coils with respective self inductances L1 = 0.8H and L2 = 0.2 H have a coupling coefficient of 0.6. Coil 2 has 500 turns. If current in coil 1 is I1(t) = 10 sin 200t, find the voltage across the coil 2 and the maximum flux set up by the coil 1.

11. Three phase 4-wire 208 V ABC system supplies a star connected load in which ZA = 10 L10oΩ, ZB = 15L 30o Ω and  ZC = 10L-30oΩ.  Determine the line currents, the neutral current and the load power.

Electrical & Electronics, Engineering

  • Category:- Electrical & Electronics
  • Reference No.:- M913543

Have any Question?


Related Questions in Electrical & Electronics

Question 1for the ce amplifier in figure 1 given the

Question 1 For the CE amplifier in Figure (1), given the following component parameters: Parameter Value β DC , β AC 150 V BE 0 . 7 V V CC 12 V R C 820 ? R E 1 100 ? R E 2 220 ? R 1 20 k? R 2 5 . 2 k? R L 100 k? C 1 , C ...

Question -i a star-connected three-phase synchronous

Question - (i) A star-connected, three-phase synchronous induction motor takes a current of 10 amps from a 415 volt supply at unity power factor when supplying a steady load. If the synchronous reactance is 5 ohms/phase ...

1 a name the three major groups of contamination and

1. (a) Name the three major groups of contamination and briefly describe their physical characteristics. (b) Where do the above contamination types come from? Give one example of each. 2. Name two processes metrics which ...

Question 1 in the voltage regulator circuit in figure p221

Question 1: In the voltage regulator circuit in Figure P2.21, V 1 = 20 V, V Z = 10 V, R i = 222Ω and P z (max) = 400 mW. (a) Determine I L, I z , and I L , if R L = 380Ω. (b) Determine the value of R L , that will establ ...

Summative assessmentin 2017 sej101 assessment will consist

Summative Assessment In 2017 SEJ101 assessment will consist of nine tasks that will develop a portfolio of your assessed work. Throughout the trimester you will have the opportunity for feedback on all nine tasks before ...

1 a name the three major groups of contamination and

1. (a) Name the three major groups of contamination and briefly describe their physical characteristics. (b) Where do the above contamination types come from? Give one example of each. 2. Name two processes metrics which ...

1 a name the three major groups of contamination and

1. (a) Name the three major groups of contamination and briefly describe their physical characteristics. (b) Where do the above contamination types come from? Give one example of each. 2. Name two processes metrics which ...

Case studythis assignment consists of a written report of

CASE STUDY This assignment consists of a written report of approximately 1000 words and any diagrams in which you are asked to critically compare different process methods used to achieve the same result and show an awar ...

Problem 1 a two-phase servomotor has rated voltage applied

Problem 1: A two-phase servomotor has rated voltage applied to its excitation winding. The torque speed characteristic of the motor with Vc = 220 V, 60 Hz applied to its control phase winding is shown in Fig.1. The momen ...

Electrical engineering questions -q1 two ideal voltage

Electrical Engineering Questions - Q1. Two ideal voltage sources designated as machines 1 and 2 are connected, as shown in the figure below. Given E 1 = 65∠0 o V, E 2 = 65∠30 o V, Z = 3Ω. Determine if Machine 1 is genera ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As