Electrical Engineering Answers

Find 7-bit left to right odd parity hamming code for the BCD of (C5)16. 

A circular copper waveguide has a radius of 0.4 cm and is filled with a dielectric material having 𝜀𝑟 = 1.5 and tan δ = 0.0002.

2.1.1. Identify the first four propagating modes and their cut-off frequencies.

2.1.2. For the dominant mode, calculate the attenuation due to dielectric loss and attenuation due to conductor loss at 20 GHz.

A generator is rated 100 MW. 13.8 kV and 90% power factor. The effective

resistance is 1.5 times the ohmic resistance. The ohmic resistance is obtained by

connecting two terminals to a DC source. The current and the voltage are 87.6 A

and 6 V. What is the effective resistance per phase?

A golf ball is dropped from a height of 20 ft upon a hardened steel plate. The coefficient of restitution is 0.894. Find the height to which the ball rebounds on the first, second, and third bounces. 

Use the K-map to reduce the Boolean expression Y 

𝒀 = Σm(0,1,2,7,8,11,12,14 ) + d(3,5)

Design 3-bit binary to gray converter using k-map.

Find 7-bit left to right odd parity hamming code for the BCD of (B7)16.

Solve for X, show all calculation in binary number system only 

𝑋 = ((0110)ଶ − (0001)ଶ) ቆ

(1000100)ଶ

(100)ଶ

ቇ + (111)ଶ − (11)ଶ

Find the equation of the family of curve whose slope at any point(x,y) is 3x^2+4