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Questions and Answers
What is the equation for calculating the equivalent resistance (Req) in a series circuit?
What is the equation for calculating the equivalent resistance (Req) in a series circuit?
Req = R1 + R2 + ... + Rn
What is the formula for calculating the equivalent resistance (Req) in a parallel circuit?
What is the formula for calculating the equivalent resistance (Req) in a parallel circuit?
1/Req = 1/R1 + 1/R2 + ... + 1/Rn
What is the equivalent resistance of the series circuit shown in the image, if the resistances are R1 = 10 Ω and R2 = 3 Ω?
What is the equivalent resistance of the series circuit shown in the image, if the resistances are R1 = 10 Ω and R2 = 3 Ω?
13 Ω
What is the equivalent resistance of the parallel circuit shown in the image, if the resistances are R1 = 10 Ω and R2 = 3 Ω?
What is the equivalent resistance of the parallel circuit shown in the image, if the resistances are R1 = 10 Ω and R2 = 3 Ω?
What is the current flowing through the series circuit, if the voltage is 50 V and the equivalent resistance is 13 Ω?
What is the current flowing through the series circuit, if the voltage is 50 V and the equivalent resistance is 13 Ω?
What is the current flowing through the parallel circuit, if the voltage is 50 V and the equivalent resistance is 2.31 Ω?
What is the current flowing through the parallel circuit, if the voltage is 50 V and the equivalent resistance is 2.31 Ω?
Flashcards
Series Circuit
Series Circuit
A circuit where components are connected in a single path, so the same current flows through each component.
Parallel Circuit
Parallel Circuit
A circuit where components are connected in separate branches, so current can flow through each branch independently.
Equivalent Resistance (Req) in Series
Equivalent Resistance (Req) in Series
Represents the total resistance of all resistors in a series circuit
Req = R1 + R2 + ... + Rn
Req = R1 + R2 + ... + Rn
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Current in Series Circuit
Current in Series Circuit
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Voltage in Series Circuit
Voltage in Series Circuit
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Equivalent Resistance (Req) in Parallel
Equivalent Resistance (Req) in Parallel
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1/Req = 1/R1 + 1/R2 + ... + 1/Rn
1/Req = 1/R1 + 1/R2 + ... + 1/Rn
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Current in Parallel Circuit
Current in Parallel Circuit
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Voltage in Parallel Circuit
Voltage in Parallel Circuit
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Resistance (R)
Resistance (R)
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Current (I)
Current (I)
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Voltage (V)
Voltage (V)
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Voltage Source
Voltage Source
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Resistor
Resistor
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Ohm's Law
Ohm's Law
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Simple Circuit
Simple Circuit
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Complex Circuit
Complex Circuit
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Node
Node
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Study Notes
Series Circuits
- Circuits arranged in a single path
- Total resistance (Req) is the sum of individual resistances: Req = R₁ + R₂ + R₃ ...
- Current (I) is the same throughout the circuit
- Voltage (V) across the circuit is the sum of voltages across each resistor: V = V₁ + V₂ + V₃ ...
Parallel Circuits
- Circuits with multiple paths for current
- Reciprocal of total resistance (Req) is the sum of reciprocals of individual resistances: 1/Req = 1/R₁ + 1/R₂ + 1/R₃ ...
- Voltage (V) is the same across each branch
- Current (I) through the main line is the sum of currents through each branch: I = I₁ + I₂ + I₃ ...
Solving Circuits
-
Series Circuit Example:
- Resistances: R₁ = 10Ω, R₂ = 3Ω
- Voltage: 50V
- Total resistance: Req = R₁ + R₂ = 10Ω + 3Ω = 13Ω
- Current: I = V / Req = 50V / 13Ω = 3.85A
-
Parallel Circuit Example:
- Resistances: R₁ = 10Ω, R₂ = 3Ω
- Voltage: 50V
- Total resistance: 1/Req = 1/10Ω + 1/3Ω = (3 + 10) / 30Ω = 13/30Ω, Req = 30Ω / 13 = 2.31Ω
- Current: I = V / Req = 50V / 2.31Ω = 21.65A
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Description
Test your knowledge on series and parallel circuits with this quiz! Explore the principles of total resistance, current flow, and voltage distribution in various circuit configurations. Perfect for students learning about basic electrical concepts.
