Act.03.02

Act.03.02 - and R 4 the same? Activity 2 : The point of...

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Physics 2102, March 2, 2011. In class: The figure shows two circuits, each with three resistors. (a) (b) (i) In circuit (a), are resistors R 1 and R 2 in parallel? (ii) In circuit (a), are resistors R 1 and R 3 in series? (iii) In circuit (b), are resistors R 1 , R 2 , and R 3 in parallel?
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Physics 2102, March 2, 2011, Activity 1: For the circuit in the figure, answer the following questions with yes or no. Assume that R 1 > R 4 , and R 2 > R 3 (i) Is the current through R 1 and R 2 the same? (ii) Is the current through R 1 and R 4 the same? (iii) Is the current through R 2 and R 3 the same? (iv) Is the potential difference over R 2 and R 3 the same? (v) Is the potential difference over R 1
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Unformatted text preview: and R 4 the same? Activity 2 : The point of this activity is to figure out if the light bulbs in your house (and appliances in general) are connected in series or in parallel. If you already know the answer you should still try and work through this and convince yourself why. Hint 1 : Think about a 60 W light bulb as a resistor. The 60W characterization assumes the bulb is connected to a V = 110 V outlet. Use this to characterize the resistor. Hint 2 : Now try to connect two identical 60W lightbulbs to a 110 V emf, first in series then in parallel. Calculate the power dissipated in each light bulb for the two cases....
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Act.03.02 - and R 4 the same? Activity 2 : The point of...

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