A Light Bulb Is Connected in the Circuit Shown in the Figure

question 20

Multiple Choice

A light bulb is connected in the circuit shown in the figure with the switch S open. All the connecting leads have no appreciable resistance and the battery has no internal resistance. When we close the switch, which statements below accurately describe the behavior of the circuit? (There may be more than one correct choice.)

• A) The brightness of the bulb will increase.
• B) The brightness of the bulb will decrease.
• C) The brightness of the bulb will not change.
• D) The potential drop across R₂ will decrease.
• E) The potential drop across R₂ will not change.

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