3) Figure shows a RL circuit and a conducting rod. RL circuit has ɛ = 40 V, R = 5 2, and the time constant t= 1 s. A conducting rod moves with a constant velocity v perpendicular to a circuit with a current I. At t=1 s, in the circuit, the current I is generated. (a) Find the magnetic field. (b) Find the magnetic flux. (c) Find the induced emf. R

3) Figure shows a RL circuit and a conducting rod. RL circuit has ɛ = 40 V, R = 5 2, and the time constant t= 1 s. A conducting rod moves with a constant velocity v perpendicular to a circuit with a current I. At t=1 s, in the circuit, the current I is generated. (a) Find the magnetic field. (b) Find the magnetic flux. (c) Find the induced emf. R

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

In the figure below the switch S is closed, Supppose the emf of the ideal battery is 12.0 V, the inductance of the ideal inductor L = 30.0 mH, and the resistance R2 = 4.34 ohms and the resistance R2 = 2.17 ohms. When i = 0.17 A 1. how much energy is delivered by the battery? 2. how much of this energy is stored in the magnetic field of the inductor? 3. how much of this energy is dissipated by both resistors? 4. what is the rate dibat/dt at t = 0, t = 0.82 s and t after a long time?
a 0.2m length wire moves at a constant speed of 10m/s in at 30 with a 0.02 T B field what is the magnitude and direction of the induced emf in the wire
When the current in a solenoid uniformly increases from 3.0 A to 8.0 A in a time 0.25 s, the induced EMF is 0.50 volts. What is the inductance of the solenoid? a. 25 mH b. 40 mH c. 30 mH d. 35 mH e. 20 mH
Explain the relationship between 1. number of loops and maximum emf 2. change of magnetic flux and maximum emf
6)A flat coil is wrapped with 200 turns of very thin wire on a square frame. A uniform magnetic field is applied perpendicular to the plane of the coil. If the flux changes uniformly from 0.0162 Wb T to 0.00 Wb in 8.0 s, find the emf induced in the coil. A. 2.1 mV B. 4.1 mv C. 0.21 V D. 0.41 V E. 0.82 V
N:41)
For the circuit shown in Figure B2, when the switch opened at t=0 sec, ヒ-ロ 120V = 3.3KN 10 mH Figure B2 Calculate the following: i. Current through inductor. ii. Voltage across inductor and resistor.
4.) In the circuit shown, the initial voltage across the 10 microFarad capacitor is 12V. The solenoid has an inductance of 0.7 H. There is no resistance. a) Find the charge on the capacitor 1.0 millisecond after the switch S is closed. b) At what time will the current in the solenoid reach its maximum value? c) What is the maximum energy stored in the magnetic field of the solenoid?
A solenoid inductor is 4.0 cm long and has a cross sectional area of 1.2 cm2. When the current through thesolenoid decreases at a rate of 12 A/s, the induced emf is 20 mV. Find the number of turns of the solenoid. A) 1330B) 3324C) 230D) 665E) 2561
c1. What is the magnitude of the induced emf at t = 0 s? c2. What is the magnitude of the induced emf after a long time has passed? d. After the current in the RL circuit has reached its final value (as in b2. above) the positions of the switches are reversed, with S1 open and S2.How long does it take for the current to reach a tenth of its initial value?
1) thanks for the help
The generator in the figure uses a loop that rotates with a period T. Suppose the rotation rate (i.e. frequency) is increased so that the loop is made to rotate twice as fast. How will that affect the magnitude of the induced emf? Area - A J Horseshoe magnet N The magnitude of the induced emf will increase by a factor of two. O The magnitude of the induced emf will decrease by a factor of two The magnitude of the induced emf will increase by a factor of four. O The magnitude of the induced emf will decrease by a factor of four. O The magnitude of the induced emf will not change.