An Electron in a Magnetic Field Has a Cyclotron Frequency

question 17

Multiple Choice

An electron in a magnetic field has a cyclotron frequency of 8.0 × 10¹² Hz.What is the magnetic field strength? (The mass of an electron is 9.1 × 10^-31 kg,and the charge of an electron is 1.6 × 10^-19 C. )

• A)290 T
• B)4.5 T
• C)0.22 T
• D)0.0035 T

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Definitions:

Materials Cost

The direct and indirect costs associated with the raw materials used in the production of goods.

Equivalent Unit

An Equivalent Unit is a measure used in cost accounting to express the amount of work done on partially finished goods in terms of fully finished goods.

First-In, First-Out Method

An inventory valuation method wherein the goods first added to the inventory are the first ones to be sold, ideal for products with shelf-life concerns.

Conversion Cost

The sum of direct labor and factory overhead costs, representing the expenses necessary to convert raw materials into finished goods.