Which term describes the principle used to create high voltage from low voltage?
A) Electromagnetic multiplication B) Electromechanical induction
C) Electromagnetic magnification D) Electromagnetic induction
D
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When the spot weld is used, the tail is optional.
Answer the following statement true (T) or false (F)
Si cada soporte superior común (incluido el extremo saliente) de un techo a dos aguas tiene 14' (4.2 m) de largo, cuántos maderos de 16' (4.8 m) se necesitan para formar los soportes superiores comunes de una vivienda de 30' (9.1 m) de largo sin salientes, construida con una separación de 24" (61 cm) entre los centros?
a. 32 b. 30 c. 28 d. 42
A binary symmetric channel (BSC) has two inputs x1 = 0 and x2 = 1 and two outputs y1 = 0 and y2 = 1. The channel is symmetric because the probability of receiving a 1 if a 0 is transmitted is the same as the probability of receiving a 0 if a 1 is sent. This common transition probability is denoted as b. Consider a simple repetition coding scheme over the BSC in which each bit is repeated n times where n = 2m + 1 is an odd integer. For decoding the received bits, a majority rule is employed. In other words, if in a block of n received bits the number of 0s is greater than the number of 1s, the decoder will decide that a 0 was transmitted. Otherwise, the decoder will decide that a 1 was transmitted. Therefore an error occurs whenever m + 1 or more bits out of n bits are received incorrectly.
a. For this coding-decoding scheme, derive an expression for the probability of bit error Pe. b. Calculate Pe when b = 0.05 and n = 3, 5, 7.
Answer the following statement(s) true (T) or false (F)
Paper join tape is installed on tapered drywall seams as well as the inside corners.