Question
What component is traditionally used to regulate the
speed of a ceiling fan?Solution
A resistor serves as the conventional component for regulating fan speed. By adjusting the resistance, the voltage across the fan alters, thereby controlling its speed. Higher resistance leads to a lower fan speed due to the increased voltage drop.
If 100 liters of milk solution contains 60% milk, how much milk should be added to make the solution 80% milk?
A mixture contains milk and water in the ratio of 7:12. When 12 litres of milk and 6 litres of water are added to the mixture, the new ratio of milk to ...
A vessel holds 150 liters of a milk and water mixture, where the quantity of milk is 33.33% less than the quantity of water. From this mixture, 30 liter...
A vessel of capacity 1000 litres is full of milk. x litres are removed and replaced with water, and this is done three times. If in the end there are 51...
A mixture contains 45 ml water and rest ‘x’ ml milk. When 0.3x ml of water is added, the water becomes 3/7th of the mixture. Find the value of ‘x�...
There are two containers having equal quantities of mixtures of two chemical types A and B. The 1st container contains 25% of type A chemical whereas th...
A container contains 60 liters of a solution containing 25% alcohol. How many liters of pure alcohol must be added to make the alcohol concentration 40%?
A barrel has 4L and 500 mL of acid. In how many containers, each of capacity 25 mL, can be filled?
- A solution of 960 ml has milk and water in 1:3 ratio. If an equal quantity of milk and water is added and the new ratio becomes 2:5, calculate the value of...
A 139.98 liters mixture contains 80.02 liters milk and the remaining is water. 24.98% mixture is removed and 19 liters of water is added. Find the final...
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