Many insecticides found on the market just a few years ago are no longer approved for use

Indicate whether the statement is true or false


True

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The ____ is used to program the CPU.

A. I/O rack B. power supply C. tape deck D. loading terminal

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Fuel lines are constructed from ________

A) Seamless steel tubing B) Nylon plastic C) Copper and/or aluminum tubing D) Both A and B are used

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The greatest problem that a university faces concerning telecommunications is the need to wire the residence halls for broadband service for Internet and LAN access

Indicate whether the statement is true or false

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Refer to Problem 9.38 and assume a load voltage waveform as shown in Figure P9.40. Also assume:

|io|avg = 60 mA |vo|avg = 5 V |Vripple| = 5%
vline = 170 cos(?t) V ? = 377 rad/s

Determine:

a. The turns ratio n.
b. The capacitor C.

Problem 9.38

In the full-wave power supply shown in Figure P9.38 the silicon diodes are 1N4001 with a rated peak reverse voltage of 25 V.

n = 0.05883
C = 80 ?F Ro = 1 k?

vline = 170 cos(377t) V

a. Determine the actual peak reverse voltage across each diode.
b. Explain why these diodes are or are not suitable for the specifications given.

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