3. Four resistors R₁ 7.0 2, R₂ =6.0 N, R3=11.0 2, and R₁9.0 2 are mountedas shown in the figure. The voltage of the battery is V = 14 Volts. What iscurrent in the R₁ resistor?theAmpc 116 cci16 cci16 ceNocR₁R₂-wwwR3116ile cci16 ceil6 ccil6 ceil6 ccil6 ceil6 cci16 cen▶cci16 cci16 ccil6 ccil6 ccit16 ceil6 ceil6 ccil cil6 ccilo ecil6 ccil6 ccilečci 6 cei ccici16116 ceil6 ccil6 ccil6 c

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3. Four resistors R₁ 7.0 2, R₂ =6.0 M, R3=11.0 22, and R₁9.0 2 are mounted as shown in the figure. The voltage of the battery is V = 14 Volts. What is current in the R₁ resistor? the Amp R₁ www R₂ -www R3 ceil6 ccil6 ccil6 ccil6 ccil6 cci16 cei16 con 6.cei ceicilo116 col16 ccil6 ccil6 co 5 cci16 cci16 ceilcil6 ccilo ceil6 ceil6 ccile ▶cci16 čcil6 ccil6 ccil6 ceit

3. Four resistors R₁ 7.0 2, R₂ =6.0 M, R3=11.0 22, and R₁9.0 2 are mounted as shown in the figure. The voltage of the battery is V = 14 Volts. What is current in the R₁ resistor? the Amp R₁ www R₂ -www R3 ceil6 ccil6 ccil6 ccil6 ccil6 cci16 cei16 con 6.cei ceicilo116 col16 ccil6 ccil6 co 5 cci16 cci16 ceilcil6 ccilo ceil6 ceil6 ccile ▶cci16 čcil6 ccil6 ccil6 ceit

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter28: Direct-current Circuits

Section: Chapter Questions

Problem 28.21P: Consider the circuit shown in Figure P28.21 on page 860. (a) Find the voltage across the 3.00-0...

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Electric current I enters a node with three resistors connected in parallel (Fig. CQ18.5). Which one of the following is correct? (a) I1 = I and I2 = I3 = 0. (b) I2 I1 and I2 I3. (c) V1 V2 V3 (d) I1 I2 I3 0. Figure CQ18.5
What is the equivalent resistance between points a and b of the six resistors shown in Figure P29.70? FIGURE P29.70
The circuit shown in Figure P28.78 is set up in the laboratory to measure an unknown capacitance C in series with a resistance R = 10.0 M powered by a battery whose emf is 6.19 V. The data given in the table are the measured voltages across the capacitor as a function of lime, where t = 0 represents the instant at which the switch is thrown to position b. (a) Construct a graph of In (/v) versus I and perform a linear least-squares fit to the data, (b) From the slope of your graph, obtain a value for the time constant of the circuit and a value for the capacitance. v(V) t(s) In (/v) 6.19 0 5.56 4.87 4.93 11.1 4.34 19.4 3.72 30.8 3.09 46.6 2.47 67.3 1.83 102.2
The resistance between terminals a and b in Figure P27.36 is 75.0 . If the resistors labeled R have the same value, determine R. Figure P27.36
The- pair of capacitors in Figure P28.63 are fully charged by a 12.0-V battery. The battery is disconnected, and the switch is then closed. Alter 1.00 ms has elapsed, (a) how much charge remains 011 the 3.00-F capacitor? (b) How much charge remains on the 2.00-F capacitor? (c) What is the current in the resistor at this time?
Figure P18.26 shows a voltage divider, a circuit used to obtain a desired voltage Vout from a source voltage . Determine the required value of R2 if = 5.00 V, Vout = 1.50 V and R1 = 1.00 103 (Hint: Use Kirchhoff's loop rule, substituting Vout = IR2, to find the current. Then solve Ohms law for R2. Figure P18.26
Figure P18.26 shows a voltage divider, a circuit used to obtain a desired voltage Vout from a source voltage . Determine the required value of R2 if = 5.00 V, Vout = 1.50 V and R1 = 1.00 103 (Hint: Use Kirchhoff's loop rule, substituting Vout = IR2, to find the current. Then solve Ohms law for R2. Figure P18.26
Figure P29.45 shows five resistors connected between terminals a and b. a. What is the equivalent resistance of this combination of resistors? b. What is the current through each resistor if a 24.0-V battery is connected across the terminals?
Three 100- resistors are connected as shown in Figure P21.41 The maximum power that can safely be delivered to any one resistor is 25.0 W. (a) What is the maximum potential difference that can be applied to the terminals a and b? (b) For the voltage determined in part (a), what is the power delivered to each resistor? (c) What is the total power delivered to the combination of resistors?
A circuit contains a D-cell battery, a switch, a 20- resistor, and three 20-mF capacitors. The capacitors are connected in parallel, and the parallel connection of capacitors are connected in series with the switch, the resistor and the battery, (a) What is die equivalent capacitance of the circuit? (b) What is the KC time constant? (c) How long before the current decreases to 50% of the initial value once the switch is closed?
A battery with emf and no internal resistance supplies current to the circuit shown in Figure P27.9. When the double-throw switch S is open as shown in the figure, the current in the battery is I0. When the switch is closed in position a, the current in the battery is Ia. When the switch is closed in position b, the current in the battery is Ib. Find the resistances (a) R1, (b) R2, and (c) R3. Figure P27.9 Problems 9 and 10.
A battery with = 6.00 V and no internal resistance supplies current to the circuit shown in Figure P27.9. When the double-throw switch S is open as shown in the figure, the current in the battery is 1.00 mA. When the switch is closed in position a, the current in the battery is 1.20 mA. When the switch is closed in position b, the current in the battery is 2.00 mA. Find the resistances (a) R1, (b) R2, and (c) R3. Figure P27.9 Problems 9 and 10.