The figure shows an electric circuit which contains a double switch labelled by S. When the switch is in the position 11' the ammeter reads I = 6 A , and when the switch is in position 22' the reading is I1 =3 A. What is the reading on the ammeter when the switch is in position 33'? The electromotive forces E of the two batteries are equal, their internal resistances and the internal resistance of the ammeter are negligible.

The figure shows an electric circuit which contains a double switch labelled by S. When the switch is in the position 11' the ammeter reads I = 6 A , and when the switch is in position 22' the reading is I1 =3 A. What is the reading on the ammeter when the switch is in position 33'? The electromotive forces E of the two batteries are equal, their internal resistances and the internal resistance of the ammeter are negligible.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter29: Dc Generators

Section: Chapter Questions

Problem 1PA: You are working as an electrician in a large steel manufacturing plant, and you are in the process...

See similar textbooks

Similar questions

In the figure the resistances are R1 = 0.97 Ω and R2 = 1.9 Ω, and the ideal batteries have emfs ε1 = 2.1 V, and ε2 = ε3 = 5.3 V. Whatare the (a) size and (b) direction (up or down) of the current in battery 1, the (c) size and (d) direction of the current in battery 2, and the (e) size and (f) direction of the current in battery 3? (g) What is the potential difference Va - Vb?
In the figure is shown a battery having an emf of 12 Volts and an internal resistance of 0.40 Ohm.A resistor R1 of 2.6 Ohms is connected across itsterminals ab. Determine (a) resistance of Rwhich, when connected across terminals ab inparallel with R1 will make the powerdelivered by the battery a maximum; (b)current in R1 and R; (c) terminal voltage ofbattery; (d) power in R1 and in R; (e) power lost in batteryHint: To maximize power in R, use differentiation In the circuit shown, a 6-Ohm resistor connected in series to a parallel combination of tworesistors, one is 30-Ohm and the other is R beingunknown. Determine the value of R if: (a) thepower dissipated in 6-Ohm resistor is equal tothe power in the parallel combination; (b) hepower in 6-Ohm is equal to the power of in R; (c)value of R maximum power transfer.Hint: To maximize power in R, use differentiation
Two ideal batteries with zero internal resistance and five resistors connected as shown in the diagram. The resistances of resistors are known, the electromotive force of one battery, and it is known that a current of I1 = 3A flows through the resistor R1. Calculate the electromotive force of the battery E2
What is the ampacity of a #8 AWG Copper TW if there are 3 of them that are considered current carrying conductors· a conduit and the mbient temperature is 86 Degrees F? a 55 b 40 c 50 d 45
In the figure is shown a battery having an emf of 12 Volts and an internal resistance of 0.40 Ohm. A resistor R1 of 2.6 Ohms is connected across its terminals ab. Determine (a) resistance of R which, when connected across terminals ab in parallel with R1 will make the power delivered by the battery a maximum; (b) current in R1 and R; (c) terminal voltage of battery; (d) power in R1 and in R; (e) power lost in battery Hint: To maximize power in R, use differentiation.
For the circuit shown, determine the equivalent voltage source in Volts where I1=8 A, I2=2 A, R1=12 Ω, and R2=28 Ω. (i.e. What voltage source should be in series with the a resister to create an equivalent circuit?)
A rear-window defogger in a car consists of 13 resistive wires connected in parallel to a 12-v battery. Assume that the defogger can melt 2.1 x 10-2 kg of ice at 0C to liquid water at 0C in two minutes. Each wire has a length of 1.30m. What should the resistance/ length of the wires be? Your answer should be in ohms/m.
A uniform 2-wire d.c. distributor 63 meters long is loaded with 0.067 resistance/ meter and is fed at one end. If the maximum permissible voltage drop is not to exceed 34 V, find the current/meter.
hi i saw a question on the book ( Fundamentals of Electric Circuits 5th Edition, Charles K. Alexander ) Page : 743 but i can't find the way and the steps that he solve it and im curious how he slove it , i upoladed an image , can you help me . thank you.
one turn of a copper bar is produced by cutting copper washer along a radius and spreading the ends. The washer is cut from soft drawn copper having a resistivity at 20 degrees celsiu of 1.732 micro ohm-cm. The washer is 0.125 inch thich and has inside diameter and outside dianmeter of 1 inch and 9 inches respectively. Calculate the exact resistance between the two end of the turn. Assume the contact along the ends of the turn to be perfect over the entire crown section.
Use KVL to solve for the voltages v a, v b and v c in Figure P1.42
The following equations describe an electric circuit: -I1 (220 Ω) + 5.80 V - I2 (370 Ω) = 0 -I2 (370 Ω) + I3 (150 Ω) - 3.10 V = 0 I1 + I3 - I2 = 0(a) Draw a diagram of the circuit. (b) Calculate the unknowns and identify the physical meaning of each unknown.