CFAA Fire Alarm Technician · Question
Which of the following is NOT a direct component of Ohm's Law?
The three variables are Voltage (E or V), Current (I), and Resistance (R). Wattage is a measure of power (P).
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Question: Which of the following is NOT a direct component of Ohm's Law?
Answer options:
- Voltage (V)
- Current (I)
- Resistance (R) ✅ Wattage (W)
Correct answer: Wattage (W)
Explanation: The three variables are Voltage (E or V), Current (I), and Resistance (R). Wattage is a measure of power (P).
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Question explanations
- The primary power for a fire alarm system must be:
- If a 120VAC primary power circuit for a fire alarm control unit is consuming 60 Watts of power, what is the cu
- In a steady-state DC circuit, if the conductor length is doubled while maintaining voltage and wire gauge, wha
- A resistor is rated at 10 Watts at 24VDC. If the voltage drops to 20VDC, what is the new power dissipation?
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