What is a potential divider used for? A potential divider is a simple circuit that uses resisters(or thermistors / LDR’s) to supply a variable potential difference. They can be used as audio volume controls, to control the temperature in a freezer or monitor changes in light in a room. Why do we need voltage? Electrical […]
When you cross a tall pea plant with a short pea plant the offspring will be?
When you cross a tall pea plant with a short pea plant the offspring will be? When a tall and short plant are crossed, all of the offspring are tall. If the offspring self-fertilize, they produce tall and short plants in a ratio of 3:1 in the next generation. Mendel’s actual counts were 787 tall:277 […]
When should you catch a lacrosse ball?
When should you catch a lacrosse ball? When catching a lacrosse ball, your primary hand should be near the top of the lacrosse stick, and your non-dominant hand should be near the butt-end of the lacrosse shaft. Which of the following cues are for passing in lacrosse? When you catch in lacrosse, your top hand […]
What can cause an ECU to fail?
What can cause an ECU to fail? Common Reasons for Failure in Engine Control Modules Injector wiring harness. The third thing that can cause failure in the ECM is the Injector wiring harness or the sensor wiring harness. Grounding issues. Another issue that can cause failure in the ECM is poor grounding. Starters. Dead battery […]
Why is it called a watt?
Who has 3 chambered heart?
Who has 3 chambered heart? Reptiles, except crocodile, have three chambered heart. Crocodiles have four chambered heart. Thus Dolphin being a mammal has four chambered heart. Salamander being an amphibian has a three chambered heart. Which animal has no heart and brain? Jellyfish Do cows have two hearts? How many heart chambers do cows have? […]
What is the meaning of narrow leaves?
What is the meaning of narrow leaves? Narrow-leaf bedstraw (Galium angustifolium) is a small, multi-stemmed shrub that may grow alone but often scrambles through the branches of larger plants. The stems are four-sided, usually ridged. Leaves are linear, less than 1 inch (2.5 cm) in length, with a small point at the tip. Petioles are […]
Can you manipulate more than one variable?
Can you manipulate more than one variable? The short answer to whether scientists can use more than one manipulated variable in their experiments is “yes.” But just as important as the answer to this question is understanding why scientists would want to include two manipulated variables. How many control variables can you have? Similar to […]
What do you do if you hit black ice?
Why is chemical change not easily reversible?
Why is chemical change not easily reversible? chemical change never reversed because it produce new substance after reaction which is not reversible . if it is reversed , it can’t called chemical reaction , it called physical reaction. Is a chemical change reversible? In principle, all chemical reactions are reversible reactions . This means that […]