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In an RL circuit, what is the time constant τ?
In an RL circuit, what is the time constant τ?
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Practice Questions
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Q1
In an RL circuit, what is the time constant τ?
L/R
R/L
LR
1/(LR)
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The time constant τ for an RL circuit is given by τ = L/R, where L is the inductance and R is the resistance.
Questions & Step-by-step Solutions
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Q
Q: In an RL circuit, what is the time constant τ?
Solution:
The time constant τ for an RL circuit is given by τ = L/R, where L is the inductance and R is the resistance.
Steps: 6
Show Steps
Step 1: Understand that an RL circuit consists of a resistor (R) and an inductor (L) connected together.
Step 2: Know that the time constant (τ) is a measure of how quickly the current in the circuit changes.
Step 3: Learn the formula for the time constant in an RL circuit, which is τ = L/R.
Step 4: Identify L as the inductance of the inductor, measured in henries (H).
Step 5: Identify R as the resistance of the resistor, measured in ohms (Ω).
Step 6: Calculate τ by dividing the inductance (L) by the resistance (R).
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