If the values of "C1" and "R1" shown in the...

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Question 1 of 2066636eed28f7522a1c51dd58

If the values of "C1" and "R1" shown in the illustration were 1 microfarad and 3 megohms respectively, which of the listed intervals of time would equal one "time constant"? Illustration EL-0086

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Question 1 of 20

66636eed28f7522a1c51dd58

If the values of "C1" and "R1" shown in the illustration were 1 microfarad and 3 megohms respectively, which of the listed intervals of time would equal one "time constant"? Illustration EL-0086

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🔍 Key Concepts

• RC time constant (τ) for a resistor–capacitor circuit • Unit prefixes: mega (10^6) and micro (10^-6) and how they affect the calculation • From the graph: at one time constant, the capacitor voltage is about 63% of full charge

💭 Think About

• How do you calculate the RC time constant τ from the values of resistance and capacitance? Write the formula first, then plug in the numbers shown. • Before multiplying, convert both component values to base units (ohms and farads). What happens when you multiply 10^6 by 10^-6? • Once you have τ in seconds, which answer choice is closest to that value, and how does that compare with the '1 time constant' point along the horizontal axis of the graph in the illustration?

✅ Before You Answer

• Use the correct formula: τ = R × C and make sure R is in ohms (Ω) and C is in farads (F). • Convert 3 megohms and 1 microfarad properly before multiplying; do not just multiply the raw numbers 3 and 1. • After you find τ, verify that at t = τ the capacitor voltage should be roughly 63% of the supply voltage, consistent with the curve in the illustration.

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Question 1 of 2066636eed28f7522a1c51dd58

If the values of "C1" and "R1" shown in the illustration were 1 microfarad and 3 megohms respectively, which of the listed intervals of time would equal one "time constant"? Illustration EL-0086

Back

Question 1 of 20

66636eed28f7522a1c51dd58

If the values of "C1" and "R1" shown in the illustration were 1 microfarad and 3 megohms respectively, which of the listed intervals of time would equal one "time constant"? Illustration EL-0086

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

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