Category: Physics

Which parameters are constant across the primary and secondary of a transformer? If the rated voltage is applied to the primary winding of the transformer, the secondary voltage changes with the load current and power factor, even the primary voltage is kept constant. These changes in voltage of windings are known as voltage regulation. What […]

What is Greenland and Antarctica? Together, the Greenland and Antarctic Ice Sheets contain more than 99 percent of the freshwater ice on Earth. Credit: NSIDC. An ice sheet is a mass of glacial land ice extending more than 50,000 square kilometers (20,000 square miles). The two ice sheets on Earth today cover most of Greenland […]

What does Equoi mean? verb (used with object), e·quipped, e·quip·ping. to furnish or provide with whatever is needed for use or for any undertaking; fit out, as a ship or army: They spent several thousand dollars to equip their boat. How does the equipartition theorem work? The equipartition theorem, also known as the law of […]

What is iBeats? iBeats and urBeats are both designed for use with cellular phones. They have a built in microphone and volume control. The urBeats have a thicker, tangle-free cord, and have a slightly larger ear-bud. What are the newest Beats earbuds? The newest Studio entry in the Beats headphones range is the Beats Studio […]

Which type of body wave travels faster? The first kind of body wave is the P wave or primary wave. This is the fastest kind of seismic wave, and, consequently, the first to ‘arrive’ at a seismic station. The P wave can move through solid rock and fluids, like water or the liquid layers of […]

How long can you keep fresh cockles in the fridge? Keeping your shellfish fresh Your shellfish should stay alive and fresh in your fridge for a least two days but it is always best to enjoy them as soon as possible. Make sure that you store them as recommended. How do you cook frozen cockles? […]

Can snakes eat grapes? Snakes do not, nor should not eat fruit. Snakes are strict carnivores and do not have the necessary microbes in their gut to process and break down the fiber and sugars found in fruit. This reptile’s gut system cannot support plant-eating behavior, so you should avoid feeding fruit at all costs. […]

What do Alpha Beta and Gamma have in common? Alpha particles carry a positive charge, beta particles carry a negative charge, and gamma rays are neutral. An alpha particle is made up of two protons and two neutrons bound together. Beta particles are high energy electrons. Gamma rays are waves of electromagnetic energy, or photons. […]

What causes hyperemesis during pregnancy? Affected individuals can progress from mild or moderate nausea and vomiting to hyperemesis gravidarum. While the cause of HG is likely multifactorial, currently, the most evidence exists for the placenta and appetite hormone GDF15 as playing an important role in the etiology of HG. Is hyperemesis a high risk pregnancy? […]

What are the agricultural products in Guatemala? The agricultural sector is a crucial component of Guatemala’s economy representing around 25% of the GDP and employing 50% of the labour force. The main crops are coffee, sugarcane, bananas and cotton, but also palm tree, celery, cauliflower and asparagus for a shorter period. What are the major […]