Category: Physics

What are the reasons for melting of a fuse wire? Answer. Answer: A fuse is used in a circuit to avoid overloading or short circuiting. When a current higher than the rating of the fuse flows through it, the fuse wire gets heated and melts. Why should a material of low melting point be used […]

How do you get temporary power? A temporary power permit must be obtained. After it has been placed in the ground with panel and secured to the ground according to local codes for pole height and depth, your local building inspector will come to your sight and approve or require change to get approved. What […]

What is the size of a plane mirror to see the full view of yourself? In other words, to view an image of yourself in a plane mirror, you will need an amount of mirror equal to one-half of your height. A 6-foot tall man needs 3-feet of mirror (positioned properly) in order to view […]

What are three properties of acids? Acids Aqueous solutions of acids are electrolytes, meaning that they conduct electrical current. Acids have a sour taste. Acids change the color of certain acid-base indicates. Acids react with active metals to yield hydrogen gas. Acids react with bases to produce a salt compound and water. How many types […]

What would be the best material to use for the handle of a frying pan? Very heavy professional or restaurant pans will have iron handles, while those for home use will be made of brass or stainless steel. All are perfectly safe for oven use. Why are wooden pans not used for cooking? We cook […]

How far should you sit from a 75 inch TV? 15.5 feet What is the diagonal length of a TV screen? The length of diagonal of Tv screen is 100 cm. What is the diagonal length of a TV screen whose dimensions are 80 60 cm 2 points? *What is the diagonal length of a […]

What is the maximum pressure in an airbag? Most high pressure air bag systems have a maximum working pressure of 8 bar/116 psi or 10 bar/145 psi. How much force is behind an airbag? In fact, the maximum pressure in an airbag is less than 5 psi—even in the middle of a crash event. Advanced […]

What is added to table salt? Salt is also an ingredient in many manufactured foodstuffs. Table salt is a refined salt containing about 97 to 99 percent sodium chloride. Usually, anticaking agents such as sodium aluminosilicate or magnesium carbonate are added to make it free-flowing. Iodized salt, containing potassium iodide, is widely available. What are […]

How much is 45kg in Earth? 45 kg on Earth weighs approximately 99 pounds; on the moon, about 16 – 17 pounds. How much is 1 kg in newtons on earth? 1 kilogram or kilogram-force (kg or kgf) = 9.80665 newtons (N) = 35.2739619 ounces (oz) = 1000 grams (g) = 1000000 milligrams (mg) = […]

What is the best forecasting method? Top Four Types of Forecasting Methods Technique Use 1. Straight line Constant growth rate 2. Moving average Repeated forecasts 3. Simple linear regression Compare one independent with one dependent variable 4. Multiple linear regression Compare more than one independent variable with one dependent variable What are the three types […]