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Given a circuit consisting of a DC battery of voltage 450 volts connected to a single resistor. If the electric current through the resistor is 90.0 Amperes, then which of these is the resistance of the resistor in SI units? A)15 B)25 C)20 D)5 E)0.2

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ANSWER

[tex]D)5[/tex]

EXPLANATION

Parameters given:

Voltage, V = 450 V

Current, I = 90.0 A

To find the resistance, we have to apply the relationship provided by Ohm's law:

[tex]V=IR[/tex]

where R = resistance

Therefore, the resistance is:

[tex]\begin{gathered} R=\frac{V}{I} \\ R=\frac{450}{90} \\ R=5\Omega \end{gathered}[/tex]

The answer is option D.

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