As shown in figure "A" of the illustration,...

Question 1 / 2066636eed28f7522a1c51dad1

Question 1 of 2066636eed28f7522a1c51dad1

As shown in figure "A" of the illustration, with the switch closed what statement is true if "R1" and "R2" have unequal resistance values? Illustration EL-0019

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Question 1 of 20

66636eed28f7522a1c51dad1

As shown in figure "A" of the illustration, with the switch closed what statement is true if "R1" and "R2" have unequal resistance values? Illustration EL-0019

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🔍 Key Concepts

• Parallel circuits: What is the same across all branches? • Ohm's Law (V = I × R) and how current relates to resistance when voltage is fixed. • Relationship between power (P = V × I = I²R = V²/R), current, and resistance.

💭 Think About

• In figure A, are R1 and R2 connected in series or in parallel once the switch is closed? What does that tell you about the voltage across each resistor? • If the voltage across R1 and R2 is the same but their resistances are different, how must their currents compare according to Ohm's Law? • Given unequal currents and unequal resistances, would you expect the power (energy per unit time) dissipated in each resistor to be the same or different?

✅ Before You Answer

• Confirm whether R1 and R2 share the same two connection points to the circuit (a key sign of a parallel connection). • Use Ohm's Law with a constant voltage to compare currents: I1 = V/R1 and I2 = V/R2. • Check each answer choice against the rules for parallel circuits: same voltage, different branch currents depending on R.

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Question 1 of 20

As shown in figure "A" of the illustration, with the switch closed what statement is true if "R1" and "R2" have unequal resistance values? Illustration EL-0019

The current flow through "R1" will differ from the current flow through "R2".

The energy dissipated in "R1" will be the same as the energy dissipated in "R2".

The voltage drop across "R1" will not be equal to the voltage drop across "R2".

The current flow through "R1" will equal the current flow through "R2".

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Question 1 / 2066636eed28f7522a1c51dad1

Question 1 of 2066636eed28f7522a1c51dad1

As shown in figure "A" of the illustration, with the switch closed what statement is true if "R1" and "R2" have unequal resistance values? Illustration EL-0019

Back

Question 1 of 20

66636eed28f7522a1c51dad1

As shown in figure "A" of the illustration, with the switch closed what statement is true if "R1" and "R2" have unequal resistance values? Illustration EL-0019

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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