Question
If the mean proportion between 98 and 8 is denoted by
'k', then determine the ratio of (k + 4) to (k - 8).Solution
'k' = √(98 X 8) = √784 = 28 Therefore, required ratio = (28 + 4) :(28 - 8) = 32:20 = 8:5
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Find the equivalent resistance when three resistors of 4 Ω, 6 Ω, and 12 Ω are connected in parallel.
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In which type of motion does the velocity of a body vary with time?
Half-life of a radioactive substance is 10 days. The time after which only 1/16th of it remains is:
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Which of the following statement is correct?
I. Magnetite is a natural magnet
II. A freely suspended magnet always aligns in N-S direction
