Two straight conducting rails form a right angle as shown in the figure. A conducting bar with the specific resistance of 0.125 0 per meter is in contact with the rails. The rails have no X x x x X X X x x x X X X X X x x x x x x x x x x xx xx x x X X x xx xx x X X X X resistance. The bar starts at the vertex at time t= 0 and moves with a constant velocity of 2 m/s parallel to the median of the triangle. Conducting rails and the bar are in a uniform magnetic field with the magnitude of B =0.25 T directed into the page. What is the induced current flowing through the bar * x x x ×x x and its direction at t 2 s? x x x xx X x x x x x x xx x x x x x x x x x X X x X X X X X x x x x (CW: Clockwise, CCW: Counterclockwise looking from above) O 1A, CCW O 2A, CW O 4A, CCW O OA O None of them O 1A, CW O 2 A, CCW O 4A, CW

Two straight conducting rails form a right angle as shown in the figure. A conducting bar with the specific resistance of 0.125 0 per meter is in contact with the rails. The rails have no X x x x X X X x x x X X X X X x x x x x x x x x x xx xx x x X X x xx xx x X X X X resistance. The bar starts at the vertex at time t= 0 and moves with a constant velocity of 2 m/s parallel to the median of the triangle. Conducting rails and the bar are in a uniform magnetic field with the magnitude of B =0.25 T directed into the page. What is the induced current flowing through the bar * x x x ×x x and its direction at t 2 s? x x x xx X x x x x x x xx x x x x x x x x x X X x X X X X X x x x x (CW: Clockwise, CCW: Counterclockwise looking from above) O 1A, CCW O 2A, CW O 4A, CCW O OA O None of them O 1A, CW O 2 A, CCW O 4A, CW

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter17: Current And Resistance

Section: Chapter Questions

Problem 10CQ: Power P0 = I0 V0 is delivered to a resistor of resistance R0. If the resistance is doubled (Rnew =...

See similar textbooks

Similar questions

In the circuit of the figure = 4.00 kV, C = 7.70 μF, R1 = R2 = R3 = 0.930 MΩ. With C completely uncharged, switch S is suddenly closed (at t = 0). At t = 0, what are (a) current i1 in resistor 1, (b) current i2 in resistor 2, and (c) current i3 in resistor 3? At t = ∞ (that is, after many time constants), what are (d)i1, (e)i2, and (f)i3? What is the potential difference V2 across resistor 2 at (g)t = 0 and (h)t = ∞?
In the circuit of the figure ℰ = 3.30 kV, C = 6.60 μF, R1 = R2 = R3 = 0.740 MΩ. With C completely uncharged, switch S is suddenly closed (at t = 0). At t = 0, what are (a) current i1 in resistor 1, (b) current i2 in resistor 2, and (c) current i3 in resistor 3? At t = ∞ (that is, after many time constants), what are (d)i1, (e)i2, and (f)i3? What is the potential difference V2 across resistor 2 at (g)t = 0 and (h)t = ∞? Answer parts d, e, and f please
In the circuit of the figure, 1 =1.5 kV, C = 6.0 F, R1 = R2 = R3 = 0.82 M. With C completely uncharged, switch S is suddenly closed (at t = 0). At t = 0, what are (a) current i1 in resistor 1, (b) current i2 in resistor 2, and (c) current i3 in resistor 3? At t =  (that is, after many time constants), what are (d) i1, (e) i2, and (f) i3? What is the potential difference V2 across resistor 2 at (g) t = 0 and (h) t = 
When the switch S of the circuit in the figure is opened, the potential difference between points A and B is 3.08 V. After the switch is closed, the potential difference between points A and B decreases to 2.97 V and the current through the circuit is 1.00 mA. Determine the value of the resistance R1 in Ohms. choose the correct alternative: a) 2970 b) 11.00 c) 1.100 d) 110.0 e) 2.970
The plane of a square loop of wire with edge length a=0.200m is oriented Vertically and along an east west axis. The Earth’s magnitude field at this Points is of magnitude B=35.0 µT and is directed north ward at 35.0° below The horizontal.The total resistance of the loop and the wires connecting it To a sensitive ammeter is 0.500Ω. If the loop is suddenly collapsed by horizontal Forces are shown in figure p30.37, what total charge enters one terminal of the Ammeter?
In the circuit of the figure below, ℰ = 3.0 kV, C = 6.0 μF, R1 = R2 = R3 = 0.72 MΩ. With C completely uncharged, switch S is suddenly closed (at t = 0). (a) At t = 0, what is current i1 in resistor 1? A(b) At t = 0, what is current i2 in resistor 2? A(c) At t = 0, what is current i3 in resistor 3? A (I got the stuff for the first part. but someone couldn't answer the next part without this part so here the first part so that you can get the information you need for part D-F) Repeat for t = ∞ (that is, after many time constants.) (d) What is current i1? ___________A(e) What is current i2? __________A(f) What is current i3? __________A
A light bulb has a resistance of 95 Ω when operating at 120 V. How much energy is given off by the light bulb after 1 day? 1.48 x 10^7 J 4.64 x 10^7 J 8.90 x 10^7 J 1.31 x 10^7 J 9.19 x 10^7 J
The following equations describe an electric circuit. −I1(247 Ω) + 5.80 V − I2(381 Ω) = 0 I2(381 Ω) + I3(150 Ω) − 3.10 V = 0 I1 + I3 − I2 = 0 Calculate the unknowns (in mA). With respect to the 5.8 V battery, consider current moving toward the positive pole as positive and current moving toward the negative pole as negative. THE FOLLOWING GIVEN ANSWERS WERE INCORRECT: I1= -10.008 mA I2= -0.868 mA I3= 0.139 mA
In the circuit of Figure P27.25, the switch S has been open for a long time. It is then suddenly closed. Take = 10.0 V, R1 = 50.0 k, R2 = 100 k, and C = 10.0 F. Determine the time constant (a) before the switch is closed and (b) after the switch is closed. (c) Let the switch be closed at t = 0. Determine the current in the switch as a function of time. Figure P27.25 Problems 25 and 26.
Two conducting wires A and B of the same length and radius are connected across the same potential difference. Conductor A has twice the resistivity of conductor B. What is the ratio of the power delivered to A to the power delivered to B? (a) 2 (b) 2 (c) 1 (d) 12 (e)12
A potential difference of 1.00 V is maintained across a 10.0- resistor for a period of 20.0 s. What total charge passes by a point in one of the wires connected to the resistor in this time interval? (a) 200 C (b) 20.0 C (c) 2.00 C (d) 0.005 00 C (e) 0.050 0 C
For the circuit shown below, =20V , L = 4.0 mH, and R = 5.0 . After steady state is reached with S1 closed and S2 open, S2 is closed and immediately thereafter (at t = 0) S1 is opened. Determine (a) the current through L at t = 0, (b) the current through L at r = 4.0 x 10-4 s, and (c) the voltages across L and R at t = 4.0 x 10-4 s.