I chose 5 seconds, but the 'correct' answer is 0.4ms apparently...That is also a big dodgy.
For a TN supply it is 5s sub-main or 0.4s for a final circuit. But the one you ticked was 0.4ms which is not feasible for a 50Hz supply!
Discuss 18th edition exam question.. in the UK Electrical Forum area at ElectriciansForums.net
I chose 5 seconds, but the 'correct' answer is 0.4ms apparently...That is also a big dodgy.
For a TN supply it is 5s sub-main or 0.4s for a final circuit. But the one you ticked was 0.4ms which is not feasible for a 50Hz supply!
Well they have a mistake in the list!I chose 5 seconds, but the 'correct' answer is 0.4ms apparently...
Reply to 18th edition exam question.. in the UK Electrical Forum area at ElectriciansForums.net
We get it, advertisements are annoying!
Sure, ad-blocking software does a great job at blocking ads, but it also blocks useful features of our website. For the best site experience please disable your AdBlocker.