1. In the series circuit as shown in Figure 1, if the resistance of R3 was increased, what chang would you observe in the value of I and in the values of V1, V2, and V3? 2. In the parallel circuit as shown in Figure 2, if the resistance of R3 was increased, what cha. would you observe in the value of I and in the values of I1, l2, and I3? In the series and parallel combination circuit as shown in Figure 3, derive a formula for the equivalent resistance R without substituting the values of R1, R2, and R3. In the series and parallel combination circuit as shown in Figure 3, if the resistance of R3 was increased, what change would you observe in the values of I, 11, l2, 13, V1, V2, and V3? 5. You are given three identical resistors of resistance R. Draw all possible combinations using 1, 2, or 3 resistors and calculate the equivalent resistance. 6. Prove that when n identical resistors of resistance R are connected in parallel the equivalent resistance is R/n. 7. A piece of copper wire of resistance R is cut into 3 equal parts. When these three parts are connected in parallel, what is the resistance of the combination?
1. In the series circuit as shown in Figure 1, if the resistance of R3 was increased, what chang would you observe in the value of I and in the values of V1, V2, and V3? 2. In the parallel circuit as shown in Figure 2, if the resistance of R3 was increased, what cha. would you observe in the value of I and in the values of I1, l2, and I3? In the series and parallel combination circuit as shown in Figure 3, derive a formula for the equivalent resistance R without substituting the values of R1, R2, and R3. In the series and parallel combination circuit as shown in Figure 3, if the resistance of R3 was increased, what change would you observe in the values of I, 11, l2, 13, V1, V2, and V3? 5. You are given three identical resistors of resistance R. Draw all possible combinations using 1, 2, or 3 resistors and calculate the equivalent resistance. 6. Prove that when n identical resistors of resistance R are connected in parallel the equivalent resistance is R/n. 7. A piece of copper wire of resistance R is cut into 3 equal parts. When these three parts are connected in parallel, what is the resistance of the combination?
College Physics
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Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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Please answer question number 5
Transcribed Image Text:1. In the series circuit as shown in Figure 1, if the resistance of R3 was increased, what chang
would you observe in the value of I and in the values of V1, V2, and V3?
2. In the parallel circuit as shown in Figure 2, if the resistance of R3 was increased, what cha.
would you observe in the value of I and in the values of I1, l2, and I3?
In the series and parallel combination circuit as shown in Figure 3, derive a formula for the
equivalent resistance R without substituting the values of R1, R2, and R3.
In the series and parallel combination circuit as shown in Figure 3, if the resistance of R3 was
increased, what change would you observe in the values of I, 11, l2, 13, V1, V2, and V3?
5. You are given three identical resistors of resistance R. Draw all possible combinations using 1,
2, or 3 resistors and calculate the equivalent resistance.
6. Prove that when n identical resistors of resistance R are connected in parallel the equivalent
resistance is R/n.
7. A piece of copper wire of resistance R is cut into 3 equal parts. When these three parts are
connected in parallel, what is the resistance of the combination?
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