# Toroidal Solenoid

Not what you're looking for?

Please help answer the following problems. Provide step by step calculations.

A toroidal solenoid has 550 turns, cross- sectional area 6.7 square cm, and a mean radius of 4.8 cm.

A) Calculate the coil's self-inductance.

B) If the current decreases uniformly from 5A to 2A in 3ms, calculate the self induced emf in the coil.

C) The current is directed from terminal a of the coil to terminal b. Is the direction of the induced emf from a to b or from b to a? Explain.

##### Purchase this Solution

##### Solution Summary

This posting helps with a problem regarding toroidal solenoid. It helps calculate the coil's self-inductance, calculate the self induced emf in the coil, and determine the direction of induced emf. A step by step solution provided.

##### Solution Preview

Please refer to the attachment for a complete solution with diagrams.

A) Self inductance of a solenoid is given by : L = μ0N2A/L where N = Total number of turns = 550, A = Area of cross section = 6.7 cm2 = 6.7x10-4 m2, L = Length = 4.8 cm = 0.048 m. Substituting values, we get :

L = ...

##### Purchase this Solution

##### Free BrainMass Quizzes

##### The Moon

Test your knowledge of moon phases and movement.

##### Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

##### Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

##### Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.

##### Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.