Chapter 30, Problem 046 The current i through a 6.5 H inductor varies with time t...
The current i through a 5.1 H inductor varies with time t as shown by the graph of the figure. The inductor has a resistance of 17 2. Find the magnitude of the induced emf ε during the time intervals (a) t = 0 to 2 ms; (b) 2 ms to 5 ms, and (c) 5 ms to 6 ms. (Ignore the behavior at the ends of the intervals.) 6 n 2 0 4 6 2 1 (ms) (a) Number...
Chapter 30, Problem 046 Your answer is partially correct. Try again. The current i through a 6.5 H inductor varies with time t as shown by the graph of the figure. The inductor has a resistance of 14 2. Find the magnitude of the induced emf during the time intervals (a) t = 0 to 2 ms; (b) 2 ms to 5 ms, and (c) 5 ms to 6 ms. (Ignore the behavior at the ends of the intervals.) 6...
The current in a 6.00 mH-inductor varies in time as shown. Construct a graph of the self-induced emf across the inductor over the time interval t= 0 to t= 12.0 ms i (mA) 3 2 1 (ms) 2 4 6 8 10 12 -1 -2
Chapter 30, Problem 004 A wire loop of radius 14 cm and resistance 7.1 Ω is located in a uniform magnetic field that changes in magnitude as given in the figure. The loop's plane is perpendicular to the magnetic field what is the magnitude of the emf in volts induced in the loop during the time intervals (a) t-0 to 2.0 s; (b) 2.0 s to 4.0 s; and (c) 4.0 s to t·6.0 s? 0.5 0 2.0 4.06.0 t...
Chapter 30, Problem 004 A wire loop of radius 13 cm and resistance 11 2 is located in a uniform magnetic field that changes in magnitude as given in the figure. The loop's plane is perpendicular to the magnetic field. What is the magnitude of the emf in volts induced in the loop during the time intervals (a) t = 0 to 2.0 s; (b) 2.0 s to 4.0 s; and (c) 4.0 s to t = 6.0 s? 0.5,...
The current in a 70.0-mH inductor changes with time as i = 2.00ẹ-7.00t, where i is in amperes and t is in seconds. (a) Find the magnitude of the induced emf at t 1.00 s mV (b) Find the magnitude of the induced emf at t- 4.00 s. mV (c) At what time is the emf zero?
The current in a 60.0-mH inductor changes with time as i = 3.00t2 − 7.00t, where i is in amperes and t is in seconds. (a) Find the magnitude of the induced emf at t = 1.00 s. =_____mV (b) Find the magnitude of the induced emf at t = 4.00 s. =_____mV (c) At what time is the emf zero? =_____s
Chapter 30, Problem 044 A 16 H inductor carries a current of 2.5 A. At what rate must the current be changed to produce a 66 V emf in the inductor? Number Units the tolerance is +/-5%
A coil 4.35 cm radius, containing 450 turns, is placed in a uniform magnetic field that varies with time according to B = (1.20x10-2 T/s)t + ( 3.20x10-5 T/s)t4. The coil is connected to a 540Ω resistor, and its plane is perpendicular to the magnetic field. You can ignore the resistance of the coil. Part A Find the magnitude of the induced emf in the coil as a function of time. Part B What is the current in the resistor at time to...
An infinite straight wire carries a current I that varies with time as shown above. It increases from 0 at t = 0 to a maximum value 11 2.1 A att = t1 = 15 s, remains constant at this value until t = t2 when it decreases linearly to a value 4 = -2.1 A at t = t4 = 31 s, passing through zero at t = t3 = 25.5 s. A conducting loop with sides W 22...