Question

an alarm clock draws 0.9 a of current when connected to a 118 volt circuit. calculate its resistance.
answer:
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what are the units for your answer?
select one
volts
amps
ohms
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Explanation:

Step1: Recall Ohm's Law

Ohm's Law: $R = \frac{V}{I}$ where $V=118\,\text{V}$, $I=0.9\,\text{A}$

Step2: Calculate resistance

$R = \frac{118}{0.9} \approx 131.11$

Step3: Identify resistance unit

Resistance unit is Ohms.

Answer:

131.11
Ohms