1.

If fuses of 250 mA, 5A and 10 A were available, whichone wouldbe the most suitablefor protectingan amplifer ratedas 240 V, 180 W?

Answer»

SOLUTION :1 A
Because , the currentratingof an amplifier is `I = (P)/(V) = (180 W)/(240 V) = (3)/(4)A = 0.75 A `
Hence, the fuseof 1 A ratingis mostsuitablecomparedtoothergive fuses for SAFETY purpose .


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