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- If you wish to take a picture of a bullet traveling at 500 m/s, then a very brief flash of light produced by an EC discharge through a flash tube can limit blurring. Assuming 1.00 mm of motion during one EC constant is acceptable, and given that the flash is driven by a 600F capacitor, what is the resistance in the flash tube?•4 Go Figure 27-27 shows a circuit of four resistors that are con- nected to a larger circuit. The graph below the circuit shows the electric potential V(x) as a function of position x along the lower branch of the circuit, through resistor 4; the potential VA is 12.0 V. The graph above the circuit shows the electric potential V(x) versus position x along the upper branch of the circuit, through resistors 1, 2, and 3; the potential differences are AVg = 2.00 V and AVc = 5.00 V. Resistor 3 has a resistance of 200 N. What is the resistance of (a) resistor 1 and (b) resistor 2? _LAVa VA Figure 27-27 Problem 4. (A)AQuestion 1 • Three circuits contain lightbulbs and ammeters (measuring current). The light bulbs and batteries are identical. • Each ammeter has effectively zero resistance. • Rank all three ammeters A1, A2, A3 in order of their current measurements. . Ammeter (A1, A3 tt t L Light bulb Battery O A₁ > A2 > A3 O A3 > A1 = A₂ ○ A₁ = A₂ > A3 O A₁ = A3 > A₂ O A₁ A2 A3 A3 > A1 > A₂ A2
- 11- chapter28-question20 A certain capacitor, in series with a resistor, is being discharged, q(t) = QeRc. At the end of 10 ms its charge is half the initial value. The time constant (in ms) for the process is about: Option1 Option2 Option3 Option4 Option5 0.43 2.3 6.9 10 14 a) Option1 b) Option4 c) Option5 d) Option2 e) Option3 Boş bırak25.31 • An ideal voltmeter V is con- Figure E25.31 nected to a 2.0-N resistor and a battery 0.5 N 5.0 V with emf 5.0 V and internal resistance 0.5 N as shown in Fig. E25.31. (a) What is the current in the 2.0-2 resistor? (b) What is the terminal voltage of the battery? (c) What is the reading on the voltmeter? Explain your answers. 2.0 N80. •Determine the current through each resistor in Figure 18-34. Example 18-8 4 2 10 Ω 3 2 6Ω 12 Q 5Ω 82 8 Ω 12 V 6 V (a) (b) 32 12 Q 5Ω 8Ω 6Ω 10 2 2Ω 4 2 100 V
- 2- chapter28-question5 Two resistors and two uncharged capacitors are arranged as shown in Figure. A potential difference of 24 V is applied across the combination. What is the potential (in Volts) at point a with switch S open? 8.80 0.48 uF 24 V 4.40 0.36 uF Option1 Option2 Option3 Option4 Option5 8. 9 11 22 a) O otion4 b) O Option3 C) O Option5 d) O Option2 e) Option12- chapter28-question5 Two resistors and two uncharged capacitors are arranged as shown in Figure. A potential difference of 24 V is applied across the combination. What is the potential (in Volts) at point a with switch S open? 8.80 0.48 uF 24 V 4.40 0.36 uF Option1 Option2 Option3 Option4 Option5 8. 6. 11 22 a) Option4 Option3 C) Option5 d) Option2 e) Option1d/ My courses / Introduction to Biophysics II. (BMC1PHY S02) | Topic 2 / BMC I, SCT6, March 18, 20 17 What is the voltage between points a and b (AVab = Vb-Va) if R1 = 4.00 2, R2 and R3 are unknown, R4=8.00 Q and R5=4.00 N, the equivalent resistance of the circuit is 7.34 2, and ɛ = 7.00 V. Pay %3D attention to the sign! ut of R2 R5 R3 R1 be R4 3. Answer: Next page
- 4-6) R R Here's another classic problem (although the details differ from example to example). 2R 2R 2R w.-. Consider an infinite chain of resistors, as R. R shown. The cross resistors are twice as much as the side resistors, which are all of value R. What is the equivalent resistance as measured on the left?2) Consider the Circuit below. Determine the equivalent capacitance of the circuit and the charges and voltages across all 4 capacitators for arbitrary Voltage, V. Determine the total energy stored in the circuit. C₁ C₂ HH C₂ C₁1 - chapter28-question20 A certain capacitor, in series with a resistor, is being discharged, q(t) = QeRC. At the end of 10 ms its charge is half the initial value. The time constant (in ms) for the process is about: Option1 Option2 Option3 Option4 Option5 0.43 2.3 6.9 10 14 Option1 b) Option2 Option4 Option5 e) Option3
