# Btec Level 3 Engineering Further Maths question help!!

Watch
#1
Hi all, I was wondering if anyone can help with the following question, it is a complex numbers question:

1. 1. The reactance of an inductor (L1) in ohms, XL, is given by the equation:

XL = j2 𝜋 f L

Where f is the frequency of an AC source in Hertz and L is the inductance in Henry. The reactance of capacitor C1 (XC) in ohms with a capacitance C in Farads is given by the equation:

Xc = -j / 2𝜋 f C

Calculate the reactance of L1 and C1 in the circuit below at the frequency of 85800 Hertz

• a) Determine the total impedance ZT = (Z1 multiply by Z2) / (Z1 + Z2) of the circuit in ohms using Cartesian number system and polar number system.

This will allow me to show multiplication and division for a sum using both types of number systems, if anyone has knowledge on this subject can you please help???
0
#2
I forgot to attach the circuit which is referenced

It says for the circuit "Note that pF represents 10-12 Farads, mH represents 10-3 Henries and kΩ represents 103 Ohms."

Thanks
0
X

new posts Back
to top
Latest
My Feed

### Oops, nobody has postedin the last few hours.

Why not re-start the conversation?

see more

### See more of what you like onThe Student Room

You can personalise what you see on TSR. Tell us a little about yourself to get started.

### Poll

Join the discussion

Yes (83)
61.94%
No (51)
38.06%