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When a toothbrush is charging, p.d. across the primary coil is 230 V, p.d. across the secondary coil is 7.2 V. The primary coil in the charging base has 575 turns of wire on its coil. Find the number of turns on the secondary coil inside the toothbrush.

This question is on transformers. This is clear because there is a primary and secondary coil and a different voltage between the 2 coils. Transformers induce a changing voltage in a coil. The known equat...

JT
Answered by Jayani T. Physics tutor
5415 Views

How am I going to remember to get all of these different factors into essays in my exam?

Arguably more important than practicing writing full essays is practicing essay plans. If you can get into a good routine of producing concise plans which make sense to you and reflect all of the main poi...

HR
Answered by Hannah R. English tutor
2109 Views

NA

Check that all the paperwork is done well because it gets you easy marks. Have a checklist to ensure you're going through everything correctly and you know what to do next.


Décrivez ton stage en entreprise.

Own answer of the candidate. Use multiple tenses, with checklist. Use different verbs and try not to repeat. Use technical language - les avocats, assister instead of aller à etc.

HH
Answered by Henry H. French tutor
2165 Views

Explain the terms actus reus in the law.

Contrast with mens rea perhaps. External element - Smith and Hogan. The actions of the defendant - what they do versus what they think. The element that brings liability? - no thought crimes.

HH
Answered by Henry H. Law tutor
1555 Views

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