1. An n-turn secondary coil of radius r is concentric with aN-turn primary coil of radius R. If the current sourcesupplies AC current, i(t) = io cos (2 7ft), what is theinduced emf in the secondary coil as a function of time?Assume r << R.current sourceIndicate on the diagram, the direction of the induced current in the secondary coil.Mathematical Analysis (solve for the induced emf symbolically)llerodt no mtea gasiloq oesdas bocfogsbivogodenli ono bosd boainnstIf n = 1,000, N= 250, r= 5 cm, R = 18 cm, io = 2.5 A, and f=700 Hz, what is the induced emfvalue.

An n-turn secondary coil of radius r is concentric with a -turn primary coil of radius R. If the current source oplies AC current, i(t) = io cos (2 nft), what is the duced emf in the secondary coil as a function of time? cume r << R. %3D current source e on the diagram, the direction of the induced current in the secondary coil. matical Analysis (soluo f

An n-turn secondary coil of radius r is concentric with a -turn primary coil of radius R. If the current source oplies AC current, i(t) = io cos (2 nft), what is the duced emf in the secondary coil as a function of time? cume r << R. %3D current source e on the diagram, the direction of the induced current in the secondary coil. matical Analysis (soluo f

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, a 140-turn coil of radius 3.3 cm and resistance 6.9 Q is coaxial with a solenoid of 240 turns/cm and diameter 4.1 cm. The solenoid current drops from 1.7 A to zero in time interval At = 28 ms. What current is induced in amperes in the coil during At? Coil Solenoid Number i Units
Induced EMF Below is a closed conducting loop within a magnetic field (for direction see picture). The loop is a circle with a radius of r = 5.00 cm. The magnetic field is decreasing in the direction shown at a rate of dB/dt = 157.0 mT/s. The circle wire has 305.0 loops around it. The wire has a total resistance of R = 2.80 Ohms. Magnetic Field (into the page) 8) What is the induced current around the wire in this system? (use a negative value for a clockwise current) Make sure to give your answer in an appropriate number of significant figures as well as including units with your answer. Your Answer: Answer units PLEASE TAKE OUT TRASH AT EOS IG
In a well-designed transformer with an iron core, the secondary coil has twice as many turns as the primary coil. Which one of the followi statements concerning this transformer is true? OA This is a step-down transformer because the current in the secondary coil is less than that in the primary coll. OB The effect of the iron core is to reduce the magnetic field passing through the coils. C The induced emf generated in the secondary coil is twice as large as that generated in the primary coil. 9:44 PM O D. The flux that passes through each turn of the primary coil is twice the flux that passes through the secondary coil.
When the resistance of the variable resistor in the lefthand coil is increased at a constant rate, what is the direction of the current in resistor R of the right-hand coil, from a to b or from b to a? Briefly explain.
Ff the rate at which the current in a coil is doubled, how would its back EMF change?
A 120V e.m.f is across a transformer's 200-turn primary coil. How many turns should a secondary coil have in order to produce a 30V e.m.f?
O Resources Give Up O Hint A 145 turn circular coil of radius 2.29 cm is immersed in a uniform magnetic field that is perpendicular to the plane of the coil. Over an interval of 0.169 s, the magnetic field strength increases from 55.7 mT to 99.3 mT. Find the magnitude of the average emf Eve induced in the coil during this time interval, in millivolts. Eve = mV
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.
What is the induced emf in the coil at t=25 ms