Using 2 switches of the type 'single pole double throw', sketch an electrical diagram to show how an upstairs light bulb can be controlled from either the hall downstairs or from the upstairs landing....
Neighbour and his Dad possess 2 x 2500 Watt loudspeakers with built in Amplifiers. He believes on max output they would draw nearly 20 Amps each. He is afraid this will trip the 32Amp ring breaker....
A low frequency amplifier has a power gain of 50 dB. The input of the amplifier is 800 ohms resistive. The output is arranged for a 8 ohm loudspeaker. What will be the rms current in the speaker if a...
You must show your working. Only ruler and pair of compasses allowed. The link below shows the layout of a department office 20 metres by 12 metres. A photocopier is to be installed under certain...
The link below shows a recreation area open to the general public. A park bench is to be installed under the following constraints: i. The bench is to be equidistant from point B and from point D ii....
43 UK students were asked if they had visited France, Germany or Denmark. 10 students had been to France 1 student had visited all three countries 2 students had visited France and Germany but not...
A bag contains red and yellow sweets. Some of the sweets are fizzy. All the other sweets are bonbons. The ratio of the number of red sweets to the number of yellow sweets is 4 : 3 The ratio of the...
This job I applied for the same as my current job closer to home has offered me to come in tomorrow around 9.30am or 1pm but I've emailed to ask if 8.30 or 5.45 but I'm in 8.45 till 5.45 if not how...
Just why is this happening?
https://www.bbc.co.uk/news/uk-scotland-scotland-politics-64785030
I admit know very little about Scotland, its politics, etc. But those are shocking statistics....
The diagram (see link below) shows 3 identical circles, each with radius 6cm. The centre of each circle is represented by A, B and C respectively, such that points ABC form a straight line. Calculate...
https://news.sky.com/story/most-drivers-fear-mot-rules-relaxation-will-risk-lives-suggests-poll-12839598
...personally I think they are fine as they are. If anything they need strengthening....
Johnson today blamed his excellent civil servants and advisers and the current PM and Ms Gray and Dominic Cummings and everybody he's ever met, for everything bad that's ever happened to him. Do you...
A group of academics say they have identified fossilised sponges, corals, worm eggs, algae and more on the surface of Mars, and say life there may even be thriving today. “We have photos of fungi...