Podcast
Questions and Answers
What is the most common unit of measurement for electrical resistance?
What is the most common unit of measurement for electrical resistance?
- Watts (W)
- Ohms (Ω) (correct)
- Amperes (A)
- Volts (V)
A voltmeter is connected in which way in a circuit to measure voltage?
A voltmeter is connected in which way in a circuit to measure voltage?
- Both series and parallel
- Neither, it is independent of the circuit
- Series
- Parallel (correct)
Which of these is NOT a typical factor considered when calculating the monthly cost of an appliance?
Which of these is NOT a typical factor considered when calculating the monthly cost of an appliance?
- Manufacturer's suggested retail price (correct)
- Power rating of the appliance
- Price per kilowatt-hour of electricity
- Frequency of use
What is the formula used to calculate power in a circuit?
What is the formula used to calculate power in a circuit?
A circuit breaker is designed to open when:
A circuit breaker is designed to open when:
Flashcards
Equivalent Resistance
Equivalent Resistance
Total resistance in a circuit combining individual resistances.
Ohm's Law
Ohm's Law
Relationship between voltage (V), current (I), and resistance (R): V = I × R.
Circuit Breaker Function
Circuit Breaker Function
Device that automatically opens a circuit to prevent overload.
Power Rating
Power Rating
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Appliance Usage Schedule
Appliance Usage Schedule
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Study Notes
Exam Questions
- Find the equivalent resistance
- Ohm's law and circuit diagram (including voltmeter and ammeter)
- Prove circuit breaker functionality
- Calculate appliance usage time per day, energy consumption (power rating), and monthly cost.
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