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How many 0.5WW resistors connected in parallel, each of the same resistance, must be used to...

How many 0.5WW resistors connected in parallel, each of the same resistance, must be used to produce an equivalent 4.0 kΩkΩ , 4.5 WW resistor?

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Answer #1

Here we use parallel resistance connection concept and power formula.

As in parallel connection, voltage across all the resistors is equal and current is divided equally as the resistance of all the resistors is equal.

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