Physics electromagnetism calculation question

Watch
jcl_sr
Badges: 4
Rep:
?
#1
Report Thread starter 1 month ago
#1
HI! Please can someone help me with this?

A lamp is connected to the power supply.
The lamp requires an input potential difference of 5.0V
The alternator generates a potential difference of 1.5V
The primary coil of the transformer has 150 turns.
Calculate the number of turns needed on the secondary coil

Number of turns on the secondary coil = ...
(3 MARKS)
1
reply
Joinedup
Badges: 20
Rep:
?
#2
Report 1 month ago
#2
The turns ratio is equal to the volts ratio...

Np/Ns = Vp/Vs
1
reply
X

Quick Reply

Attached files
Write a reply...
Reply
new posts
Back
to top
Latest
My Feed

See more of what you like on
The Student Room

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

Personalise

Do you think receiving Teacher Assessed Grades will impact your future?

I'm worried it will negatively impact me getting into university/college (74)
37.76%
I'm worried that I’m not academically prepared for the next stage in my educational journey (20)
10.2%
I'm worried it will impact my future career (13)
6.63%
I'm worried that my grades will be seen as ‘lesser’ because I didn’t take exams (48)
24.49%
I don’t think that receiving these grades will impact my future (25)
12.76%
I think that receiving these grades will affect me in another way (let us know in the discussion!) (16)
8.16%

Watched Threads

View All