To be effective issuing and investing in bonds, knowledge of their terminology, characteristics, and features is essential. For example: • A bond’s is generally $1,000 and represents the amount borrowed from the bond’s first purchaser. • A bond issuer is said to be in if it does not pay the interest or the principal in accordance with the terms of the indenture agreement or if it violates one or more of the issue’s restrictive covenants. • A bond contract feature that requires the issuer to retire a specified portion of the bond issue each year is called a . • A bond’s gives the issuer the right to call, or redeem, a bond at specific times and under specific conditions. Suppose you read an article about the Golden Gate Bridge and Highway District bonds. It includes the following information:esvoe37f387cf9b3627f111 19053e024693f8affde5624e3d681c11860 b391bb47ca1eovse What is the coupon interest rate of this bond

See explanation

Explanation:

A bond’s (face value) is generally $1,000 and represents the amount borrowed from the bond’s first purchaser.

A bond issuer is said to be in (default) if it does not pay the interest or the principal in accordance with the terms of the indenture agreement or if it violates one or more of the issue’s restrictive covenants.

A bond contract feature that requires the issuer to retire a specified portion of the bond issue each year is called a (sinking fund provision).

A bond’s (call provision) gives the issuer the right to call, or redeem, a bond at specific times and under specific conditions.

The face value is the dollar value of a security, or a stock's original cost. Default means when the bond issuer doesn't agree with the stated terms of the bond.

sound is invisible, but sometimes we can feel it. when a kettle-drum is thumped with a stick that time the tight drum skin moving up and down very quickly for some time and then it pumped sound waves into the air. loudspeakers also work in a similar manner.

components of a speaker:

electromagnet

in order to translate an electrical signal into an audible sound, an electromagnet is used in looudspeakers

  suspension

suspension is used to   center the voice coil in the gap of the magnet and it exerts a restoring force to keep it there. suspension is used to limits the maximum mechanical excursion of the diaphragm and voice coil.

voice coil

voice coil is a coil of wire which is attached to the apex of a loudspeaker cone. it provides the motive force to the cone by the reaction of a magnetic field to the current passing through it.

cone

in a   loudspeaker, a   thin, semi-rigid membrane attached to the voice coil, which moves in a magnetic gap due to which it vibrates   and produced sound. it is known as diaphragm and it can also be called a cone, though not all speaker diaphragms are cone-shaped.

surround

surround is also known as front suspension. surround is used to join the cone to the chassis. together with the suspension it controls the cone excursion, and it is also used to   determine how energy which is   travelling through the cone is absorbed, and how the speaker limits when it reaches the ends of its travel.

dustcap

dustcap is used to protect the voice coil from dust and dirt. it is a part of the cone.

how speaker work

the outer part of the cone is fastened to the outer part of the loudspeaker's circular metal rim. the inner part is fixed to   voice coil that sits just in front of a permanent magnet . when loudspeaker is hooked up to a stereo, electrical signals feed through the speaker cables into the coil. it will convert the coil into an electromagnet magnet . when electricity flows back and forth in the cables, the electromagnet either repels or attract the permanent magnet. this moves the coil back and forth, and it pull and push the loudspeaker cone. like a drum skin vibrating back and forth, the moving cone pumps sounds out into the air.in this way loudspeakers works.

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