What happen when a rectangular coil carrying current is placed in a uniform magnetic field? As the current carrying conductor experiences a force when placed in a magnetic field, each side of a current carrying rectangular coil experiences a force in a magnetic field. the direction of force is perpendicular to the plane containing QR […]
Is the radiation from microwaves harmful?
Is the radiation from microwaves harmful? Microwave radiation can heat body tissue the same way it heats food. Exposure to high levels of microwaves can cause a painful burn. Additionally, the lens of the eye is particularly sensitive to intense heat, and exposure to high levels of microwaves can cause cataracts. Is a 25 year […]
What is average in math?
What are the 5 extinctions?
What are the 5 extinctions? Top Five Extinctions Ordovician-silurian Extinction: 440 million years ago. Small marine organisms died out. Devonian Extinction: 365 million years ago. Permian-triassic Extinction: 250 million years ago. Triassic-jurassic Extinction: 210 million years ago. Cretaceous-tertiary Extinction: 65 Million Years Ago. Are koalas on the brink of extinction? Koalas are listed as ‘vulnerable […]
How do you identify problems in the scientific method?
How do you identify problems in the scientific method? As a reminder, here are the steps to the method: Identify the problem. The first step in the scientific method is to identify and analyze a problem. Form a hypothesis. Test the hypothesis by conducting an experiment. Analyze the data. Communicate the results. What is the […]
What are the three main postulates of kinetic theory of matter?
What are the three main postulates of kinetic theory of matter? As applied to gases, the kinetic molecular theory has the following postulates: Gases are composed of very tiny particles (molecules). There are no attractive forces between the molecules of a gas. The molecules of a gas are in constant, rapid, random, straight-line motion. What […]
Which is the strongest muscle in our body?
Which is the strongest muscle in our body? masseter Are teeth a bone? Teeth and bones look similar and share some commonalities, including being the hardest substances in your body. But teeth aren’t actually bone. This misconception might arise from the fact that both contain calcium. More than 99 percent of your body’s calcium can […]
What is the power of fan?
What is the most popular seafood?
What is the most popular seafood? Consumer Trends: Top 10 Most Consumed Seafood Items Shrimp 4.0 Shrimp Crab 0.573 Catfish Cod 0.463 Crab Pangasius 0.405 Cod Clams 0.341 Clams Is alligator a seafood? According to NPR, the alligator was officially sanctioned as a member of the seafood group three years ago after Jim Piculas wrote […]
What are the disadvantages of a telescope?
What are the disadvantages of a telescope? Disadvantages: Very high initial cost relative to reflector. A certain amount of secondary spectrum (chromatic aberration) unavoidable (reflector completely free of this) The colours cannot focus at one point. Long focal ratios can mean that the instrument is cumbersome. What are the disadvantages of radio astronomy? Limitations of […]