Question

find the value of the _(_4)​

Answer 1

$- ( - 4) = 4 \\ \\ because \: - ( - ) = +$

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Answer 2

Ohm's Law is a formula used to calculate the relationship between voltage, current and resistance in an electrical circuit. To students of electronics, Ohm's Law (E = IR) is as fundamentally important as Einstein's Relativity equation (E = mc²) is to physicists. E = I x R.