At what temperature will the resistance of a copper wire becomes three times? 4500C. Which change will increase the resistance of a copper wire? material, eg copper, has lower resistance than steel. length – longer wires have greater resistance. thickness – smaller diameter wires have greater resistance. temperature – heating a wire increases its resistance. […]
What are the 2 advantages of using solar cooker?
What are the 2 advantages of using solar cooker? 10 Benefits of Solar Cooking Solar cooking is free. Solar cooking is quick and easy. Food cooked with a solar cooker is healthy. Solar cooked food tastes amazing! Solar cookers make no noise. Cooking with sunshine is kind to the environment. Solar cooking ovens are portable. […]
What are some examples of interval data?
What are some examples of interval data? Examples of interval data includes temperature (in Celsius or Fahrenheit), mark grading, IQ test and CGPA. These interval data examples are measured with equal intervals in their respective scales. Interval data are often used for statistical research, school grading, scientific studies and probability. How do you know if […]
What is the lowest temperature that a substance can reach?
What is the lowest temperature that a substance can reach? Absolute zero, technically known as zero kelvins, equals −273.15 degrees Celsius, or -459.67 Fahrenheit, and marks the spot on the thermometer where a system reaches its lowest possible energy, or thermal motion. There’s a catch, though: absolute zero is impossible to reach. What is 70 […]
What is the difference between rate constant and rate of reaction?
What is the difference between rate constant and rate of reaction? A rate constant, k, is a proportionality constant for a given reaction….Differences between the rate of reaction and constant: Rate of Reaction Rate Constant It depends upon the concentration of the reactant It is independent of the concentration of the reactant. What is relation […]
What are synonyms for drag?
What are synonyms for drag? drag nounbad situation. nouna puff while smoking. verbhaul something to a new place. slowly. What does a drag queen mean? A drag queen is a person, usually male, who uses drag clothing and makeup to imitate and often exaggerate female gender signifiers and gender roles for entertainment purposes. Historically, most […]
Under what condition concave lens form a real image?
Under what condition concave lens form a real image? Real images can be produced by concave mirrors and converging lenses, only if the object is placed further away from the mirror/lens than the focal point, and this real image is inverted. What does a concave lens do to an image? A lens refracts light and […]
Will we run out of rocket fuel?
What is the correct order for Organisational planning?
What is the correct order for Organisational planning? There are four phases of a proper organizational plan: strategic, tactical, operational, and contingency. Each phase of planning is a subset of the prior, with strategic planning being the foremost. What is the overall focus of strategic planning? Strategic planning is an organizational management activity that is […]
What does 4 mean in the formula 4na2so3?
What does 4 mean in the formula 4na2so3? Answer: The ‘4’ in front of sodium sulfate formula indicates that there are four molecules of sodium sulfate. What does the 4 mean in the formula 4na2so3 there are four atoms of sodium there are four atoms of sodium sulfite There are four molecules of sodium sulfite […]