Answered: If a 93.5 V emf is connected to…

If a 93.5 V emf is connected to terminals A and B then the current in the 4.0 0 resistor is 17 A. What is the value of the unknown resistor, R? R A 2.0 2 2.0 2 2.0 2 4.0 2

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 28.30P: In the circuit of Figure P28.30, determine (a) the current in each resistor and (b) the potential...

See similar textbooks

Related questions

Q: Four resistors are connected to a battery as shown in the figure. The current through the battery is…

A: Given that: Resistor, R1=R R2=2R R3=4R R4=3R Electromotive force = 9.65 V

Q: A lightbulb marked "25 W @ 120 V" is screwed into a socket at one end of a long extension cord, in…

A: Given: A light bulb is marked 25 W at 120 V Resistance of two conductor R = 0.600 Ω The potential…

Q: A battery has an emf of 15.0 V. The terminal voltage of the battery is 11.6 V when it isdelivering…

A: Given information: The EMF of a battery (ε) = 15.0 V The terminal voltage of the battery (V) = 11.6…

Q: In The circuit given in Figure A, the current passed through the resistance 1 is į=2A and the…

A: Answer:) (a)Req=3.793 ohm (b)emf of battery =7.586 volt

Q: In the figure R1 = 7.38 N, R2 = 22.1 Q, and the ideal battery has emf ɛ = 12.6 V. (a) What is the…

A: Part a) The three R2 resistors are in parallel. The effective resistance is R2e = R23 The…

Q: The values of current I flowing in a given resistor for the corresponding values of potential…

A: Consider the plot given below.

Q: Two resistors are connected in parallel as shown in the figure. What is the value of R, and IT? T +…

Q: A resistor and a capacitor are connected in series to a source of emf. While the current is 0.3 A…

A: Given that, The resistance of the resistor = 90 ohm The capacitance of the capacitor = 3μF EMF of…

Q: Given the following diagram, use Ohm's Law to calculate the current at location A. The circuit is…

Q: The figure below shows a capacitor, with capacitance C = 8.47 µF, and a resistor, with resistance R…

A: (a)The given net- work is a CR circuit. Time constant of a CR circuit isΤ=CRwhere ; C=8.47μF and…

Q: w 12ohm 1S0V What is the voltage across the 6 ohm resistor? O27.27V 2.727V 272.7V 0.2727V

A: Equivalent resistance in series is given by Req=R1+R2+R3 Req=6+15+12=33Ω

Q: 18. A lµF capacitor is charged using a constant current of 10 uA for 20 s. What is the energy…

A: Here given that a 1 microfarad capacitor is charged using a constant current of 10μA for 20 sec. We…

Q: The figure below shows a capacitor, with capacitance C = 7.22 uF, and a resistor, with resistance R…

A: Given:C=7.22 μF = 7.22*10-6 FR=4.23 MΩ=4.23*106Ωε=28.0 V

Q: A 60-W light bulb is turned on. It has an operating voltage of 120 V. (a) How much current flows…

Q: What is the magnitude of the current in the 20 Ω resistor?

A: We have to find magnitude of the current in the 20 Ω resistor. Direction of current is shown as…

Q: ne figure the current in resistance 6 is ig = 1.37 A and the resistances are R1 = R2 = R3 = 2.21 0,…

A: The current in resistor is 1.37 A and the resistance are R1 , R2 and R3

Q: The generator at a large power plant has an output of 1,400,000 kW at 28,000 V. (a) If it were a DC…

A: Given data: The power is P=1400000 kW The potential is V=28000 V Calculating the current as…

Q: A resistor and a capacitor are connected in series to a source of emf. While the current is 0.3 A…

A: Given that, Resistance, R = 90 ohm Capacitance, C = 3μF Emf, ε=50 V When the capacitor charges,…

Q: In the circuit shown in the figure (Figure 1), the curent in the 20.0-V battery is 5.00 A in the…

Q: 20. TTWO resistors, R1 = 15 Q and R2 = 30 Q are connected parallel to a potential difference of 60…

A: Given:- Resistance across first resistor R1= 15 ohm Resistance across other resistor R2=30ohm…

Q: The figure below shows a capacitor, with capacitance C = 5.22 µF, and a resistor, with resistance R…

A: The capacitance is C=5.22μF The resistance is R=6.23 MΩ The potential of the battery is ε=31 V The…

Q: A current, i(t) = 50 cos(100rt) enters the input terminal of an electric device. What is the current…

Q: The power rating of a 3.00 kN resistor is 1.10 W. What is the maximum voltage that can be applied…

Q: A lamp (R, = 154 2), an electric heater (R, = 23 Q), and a fan (R3 = 49 Q) are connected in parallel…

A: According to the given data, R1, R2 and R3 are connected in parallel.The equivalent resistance of…

Q: For the following circuit in the figure below, find the power ( in units of Watt) delivered to the…

A: Given:- E = 17.5 V R = 3 ohm

Q: In the figure the ideal battery has emf g= 64 V. the resistances are R= 46 kQ and R2 = 11 kQ, and…

A: Given: Emf=E=64 V Resistances: R1=46 kΩR2=11 kΩ

Q: A 1.2 kQ resistor carries a current of 15 mA. What is the potential difference (in V) across the…

A: GivenResistor (R)=1.2 k ohm= 1.2×103 ohmcurrent (I) = 15 mA=15×10-3 ALet V= Pottential difference…

Q: A parallel plate capacitor of capacitance C has charge +Q on one plate and -Q on the other. It is…

Q: figure below shows a capacitor, with capacitance C = 7.72 µF, and a resistor, with resistance R =…

Q: A current, i(t) = 50 cos(100t) enters the input terminal of an electric device. What is the current…

Q: A 25-W light bulb is turned on. It has an operating voltage of 120 V. (a) How much current flows…

A: I=PV=25 W120 V=0.208 A

Q: The figure below shows a capacitor, with capacitance C = 4.72 µF, and a resistor, with resistance R…

Q: In the circuit shown, the potential difference VA = Vg = 16.0 V and the resistance R = Rz = R3 = R4…

Q: 6Ω il a i3 10 V 12 Ω E30 2Ω 15 V- b 30 V 8Ω

Q: 10 Ω 30 Ω The current through the 30-2 resistor in the above circuit is measured to be 0.15 A. (a)…

Q: A circuit with a resistance R = 88 Ω is connected to a battery with potential difference across the…

A: Given= R=88 Ω ΔV = 6.5 V. According to ohm's law: V=IR I=VR=6.588=0.07386 A

Q: 60.0 V, r= 0 The circuit in the figure on the right shows a network of resistors connected in series…

A: (a) ε=EMF=60 V Equivalent resistance of the circuit is Re=113+16+1112+14=2+3=5 Ω The total…

Q: Q3) Figure 6 shows a circuit where the current in 2.0 2 resistor is 3.0 A. Find the unknown emf e.…

A: In the given circuit we have to determine the the value of unknown EMF.

Q: R,=R_ R,=R R;=R R=R R3=2R

A: In the given circuit, We have to determine the current flowing through the source of emf(battery).

Q: A 15.00 Ω resistor and 7.00 Ω resistor are connected in parallel to an emf source. A current of 1.50…

A: Given: The resistance of the first resistor is 15.00 ohms. The resistance of the second resistor is…

Q: The circ R1 60 12 V 8Ω R2 102 R3 a) What is the total resistance in the circuit? b) How much current…

Q: (H.W.) Find the voltage across the current source and the current passing through the voltage…

Q: If the switch (S) in the figure is closed for a very long time, what is the charge on the capacitor?…

Q: A 20.0 Ω resistor, R1, with a maximum power rating of 5.0 W is to be connected in series to another…

Q: Refer to the following circuit. R1 = 4.0 2, R2 = 3.0 2, R3 = 6.0 2, R4 = 6.0 N. 3. (a) Find the…

A: R1 = 4 ohmR2 = 3 ohm R3 = 6 ohm R4 = 6 ohm V = 24 volts

Q: The current through the 30 Ω resistor shown is measured to be 0.25 A. What is the emf ε of the…

A: The resistor 10 ohm and 30 ohm are in series. In series current through both resistor are same.…

Q: In the figure, which resistor has the largest value of the electric current? RI R2 WW Ra Ra All the…

Q: In the figure below, the current in R6 is I6 = 1.40 A and the resistances are R1 = R2 =R3 = 2.00 2,…

Question

If a 93.5 V emf is connected to terminals A and B then the current in the 4.0 0 resistor is 17 A. What is
the value of the unknown resistor, R?
R
A
2.0 2
2.0 2
2.0 2
4.0 2

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 steps with 6 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

Three 60.0-W, 120-V lightbulbs are connected across a 120-V power source, as shown in Figure P18.50. Find (a) the total power delivered to the three bulbs and (b) the potential difference across each. Assume the resistance of each bulb is constant (even though, in reality, the resistance increases markedly with current). Figure P18.50
(a) What is the resistance of a 1.00 102-O, a 2.50-k O, and a 4.00-kresistor connected in series? (b) In parallel?
(a) Can the circuit shown in Figure P18.29 be reduced to a single resistor connected to the batteries? Explain. (b) Find the magnitude of the current and its direction in each resistor. Figure P18.29
(a) Can the circuit shown in Figure P27.21 be reduced to a single resistor connected to a battery? Explain. Calculate the currents (b) I1, (c) I2, and (d) I3. Figure P27.21
A car battery with a 12-V emf and an internal resistance of 0.050 is being charged with a current of 60 A. Note that in this process the battery is being charged. (a) What is the potential difference across its terminals? (b) At what rate is thermal energy being dissipated in the battery? (c) At what rate is electric energy being converted to chemical energy? (d) What are the answers to (a) and (b) when the battery is used to supply 60 A to the starter motor?
Three identical 60.0-W, 120-V lightbulbs are connected across a 120-V power source as shown in Figure P28.72. Assuming the resistance of each lightbulb is constant (even though in reality the resistance might increase markedly with current), find (a) the total power supplied by the power source and (b) the potential difference across each lightbulb.
Three 60.0-W, 120-V lightbulbs are connected across a 120-V power source, as shown in Figure P18.50. Find (a) the total power delivered to the three bulbs and (b) the potential difference across each. Assume the resistance of each bulb is constant (even though, in reality, the resistance increases markedly with current). Figure P18.50
Currents of approximately 0.06 A can be potentially fatal. Currents in that range can make the heart fibrillate (beat in an uncontrolled manner). The resistance of a dry human body can be approximately 100 k . (a) What voltage can cause 0.06 A through a dry human body? (b) When a human body is wet, the resistance can fall to 100 . What voltage can cause harm to a wet body?
In the circuit of Figure P18.22, the current I1 is 3.0 A and the values of and R are unknown. What are the currents I2 and I3? Figure P18.22
In the circuit of Figure P28.30, determine (a) the current in each resistor and (b) the potential difference across the 200- resistor.
Electric fish generate current with biological cells called electroplaques, which are physiological emf devices. The electroplaques in the South American eel are arranged in 140 rows, each row stretching horizontally along the body and each containing 5000 electroplaques. Each electroplaque has an emf of 0.15 V and internal resistance of 0.25 . If the water surrounding the fish has resistance of 800 , how much current can the eel produce in water from near its head to near its tail?
For the network in Figure P18.60, show that the resistance between points a and b is Rab=2717. (Hint: Connect a battery with emf across points a and b and determine /I, where I is the current in the battery.) Figure P18.60