prisha821 prisha821

05-12-2021
Physics

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How are you meant to find out the total resistance if you don't have a voltmeter reading and how are you meant to find out the volt meter reading if you don't have a total resistance?

How are you meant to find out the total resistance if you dont have a voltmeter reading and how are you meant to find out the volt meter reading if you dont hav class=

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randhawaharleen82 randhawaharleen82

05-12-2021

Solve for resistance using power and current.

Substitute IR for V in the first formula: P = (IR)I = I2R. Rearrange to solve for resistance: R = P / I2. In a series circuit, the current across one component is the same as the total current. This is not true for a parallel circuit

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