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Puzzle 1: What kind of room has no doors or windows?Answer: MushroomPuzzle 2: What kind of tree can you carry in your hand?Answer: A PalmPuzzle 3: Which word in the dictionary is spelled incorrectly?Answer: IncorrectlyPuzzle 4: If you have me, you want...

 V(t) = Vm sin ωti(t) = Im sin ωtAnd P(t) = v(t) i(t)P(t) = Vm sin ωt Im sin ωtHence, average power isIt is clear that if current or voltage waveform has a frequency of50 Hz then power waveform has a frequency of 100Hz.

Riddle 1: What kind of room has no doors orwindows?Riddle 2: What kind of tree can you carry inyour hand?Riddle 3: Which word in the dictionary isspelled incorrectly?Riddle 4: If you have me, you want to share me.If you share me, you haven't got me....

A first order and first degree differential equation involves the independent variable x (say), dependent variable y (say) so, it can be put in any one of the following forms:dy/ dx = f(x, y) or f (x, y) = 0, or f(x, y) dx + g(x, y)dy = 0Where f(x, y...