Podcast
Questions and Answers
What is the total current flowing through the circuit as per the calculations?
What is the total current flowing through the circuit as per the calculations?
- 20A
- 10A (correct)
- 15A
- 5A
Which step calculates the voltage drop through the first bulb?
Which step calculates the voltage drop through the first bulb?
- Step 4
- Step 2
- Step 1 (correct)
- Step 3
What is the resistance of bulb 2 when operating at 10W?
What is the resistance of bulb 2 when operating at 10W?
- 3Ω
- 10Ω
- 2Ω
- 5Ω (correct)
What is the power rating of bulb 3 based on the provided calculations?
What is the power rating of bulb 3 based on the provided calculations?
What is the total voltage drop across the circuit as inferred from the calculations?
What is the total voltage drop across the circuit as inferred from the calculations?
Flashcards
Voltage Drop
Voltage Drop
The decrease in voltage across a component in a circuit, like a lamp.
Current (I)
Current (I)
The flow of electrical charge through a circuit, measured in Amperes (A).
Resistance (R)
Resistance (R)
The opposition to the flow of current, measured in Ohms (Ω).
Ohm's Law
Ohm's Law
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Power (W)
Power (W)
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Study Notes
Circuit Calculations
Step 1: Calculate voltage (V) using the formula V = I × R where I = current and R = resistance
- Lamp 1 (10W): Voltage (V) = 10 Amps × 5 Ohms = 50 Volts
- Lamp 2 (50W): Voltage (V) = 10 Amps × 1.0 Ohms = 10 Volts
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Description
Test your understanding of circuit calculations by solving problems related to voltage, current, and resistance. Using formulas like V = I × R, you'll analyze scenarios involving lamps with different specifications. Sharpen your electrical engineering skills with this quiz!
