A Coil Is Placed in a Changing Magnetic Field and an Emf

question 22

Multiple Choice

A coil is placed in a changing magnetic field and an emf is induced.What happens to the induced emf if the rate of change of magnetic field doubles?

• A) The emf quadruples.
• B) The emf increases by a factor of 16.
• C) There is no change.
• D) The emf doubles.

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Definitions:

Major Organic Product

The predominant product formed in greater quantity in an organic reaction, as opposed to any minor products.

Pyridinium Chlorochromate

A reagent used in organic chemistry for the oxidation of primary and secondary alcohols to aldehydes and ketones, respectively.

1-Octanol

An organic compound with the chemical formula C8H18O, characterized as a fatty alcohol with a pungent smell, used in the manufacture of perfumes and flavors.

Sodium Dichromate

A powerful oxidizing agent in the form of bright orange crystals, used in a variety of industrial processes including metal finishing.