Question

A circuit has an impedance of 5 ohms and a voltage of 100 volts. What is the current flow?

Answer 1

A circuit with an impedance of 5 ohms and a voltage of 100 volts has a current flow of 20 A.

The expression of an electronic component, circuit, or system's resistance to alternating and/or direct electric current is called impedance, indicated by the letter Z. Resistance and reactance are two distinct scalar (one-dimensional) phenomena that combine to form impedance, a vector (two-dimensional) variable.

$Z^{}$ = $\frac{V}{I}$

(for a pure resistor where Z=R,preserving the form of the DC Ohm's law).

$I=\frac{V}{Z}$

$I = \frac{100}{5}$

I = 20 A

Therefore, A circuit with an impedance of 5 ohms and a voltage of 100 volts has a current flow of 20 A.

Learn more about  impedance here;

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