How does cyber security affect us? Cyber threats are a big deal. Cyber attacks can cause electrical blackouts, failure of military equipment and breaches of national security secrets. They can result in the theft of valuable, sensitive data like medical records. They can disrupt phone and computer networks or paralyze systems, making data unavailable. Is […]
What is the resistance across A and B in the Fig 1 point?
What is the resistance across A and B in the Fig 1 point? ⟹ RAB=4+44×4=2Ω What is the total resistance between points A and point B given below circuit? Therefore, the total resistance in the circuit is 4+4+2=10 ohms. What is resistance between A and B? The three resistance of 20 ohm, 10 ohm and […]
Who is a precise person?
Who is a precise person? someone who is precise is always careful to be accurate and to behave correctly. Synonyms and related words. What are the types of precis? Explanation: Precis can be of four types. They are: precis of speech, precis of continuous matter, precis of correspondence and telegraphese. 2. Which of the following […]
How do the kidneys respond to acidosis?
How do the kidneys respond to acidosis? The kidneys respond to acid-base disturbances by modulating both renal acid excretion and renal bicarbonate excretion. These processes are coordinated to return the extracellular fluid pH, and thus blood pH, to normal following a derangement. What can the kidney do to compensate for acidosis? Renal compensation of respiratory […]
What are the advantages of living near a volcano?
What are the advantages of living near a volcano? volcanic rock and ash provide fertile land which results in a higher crop yield for farmers. tourists are attracted to the volcano, which increases money to the local economy. minerals are contained in lava, eg diamonds – these can be mined to make money. What are […]
Does tin foil block 5G?
Does tin foil block 5G? Tinfoil can block the transmission and receipt of electromagnetic field (EMF) radiation and radio frequency (RF). 5G enables connectivity by transmitting and receiving radio waves or radiofrequency electromagnetic fields with base stations. By blocking these emissions, it will block 5G. Are Faraday cages legal? The effect was discovered in 1836 […]
Where is the magnetic field in a coiled current carrying wire the strongest?
Where is the magnetic field in a coiled current carrying wire the strongest? The magnetic field is strongest inside the coil. This is because the effects of both sides of the vertical part of the wires add up at the centre. What are the advantages of electromagnet over permanent magnet? The main advantage of an […]
What simple machine is dominoes?
What simple machine is dominoes? lever Did Rube Goldberg build his machines? A prolific cartoonist and visionary, Rube Goldberg has become more famous for the inventions bearing his name than for his cartoons and political illustrations. Within his comic strips Goldberg created extremely complex machines that were built to perform a simple task. What is […]
What is the main advantages of using a fuse?
What is the main advantages of using a fuse? 1) It is the cheapest form of protection. 2) It doesn’t need any maintenance . 3) Its operation is completely automatic and requires less time as compared to circuit breakers. 4) The smaller sizes of fuse element impose a current limiting effect under short-circuit conditions. What […]
What does the slope of displacement time graph indicate?
What does the slope of displacement time graph indicate? A sloping line on a displacement-time graph shows that the object is moving. In a displacement-time graph, the slope or gradient of the line, is equal to the velocity of the object. The steeper the line (and the greater the gradient) the faster the object is […]