PROBLEM 3.56 Solve Prob. 3.55, assuming that the shaft AB is replaced by a hollow shaft of the same outer diameter and 25-mm inner diameter. PROBLEM 3.55 Two solid steel shafts are connected to a coupling disk B and to fixed supports at A and C. For the loading shown, determine (a) the reaction at each support, (b) the maximum shearing stress in shaft AB, (c) the maximum shearing stress in shaft BC.
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Refer to Problem 9.44. Assume the diodes have a rated peak reverse voltage of 10 V and:
vline = 156 cos(377t) V
n = 0.04231 Vr = 0.2 V
|io|avg = 2.5 mA |vo|avg = 5.1 V
a. Determine the actual peak reverse voltage across the diodes.
b. Explain why these diodes are or are not suitable for the specifications given.
Problem 9.44
In the bridge rectifier of the power supply shown in Figure P9.44 the silicon diodes are 1N4001 with a rated peak reverse voltage of 50 V.
vline = 170 cos(377t) V
n = 0.2941 C = 700 ?F
Ro = 2.5 k?
a. Determine the actual peak reverse voltage across each diode.
b. Are these diodes suitable for the specifications given? Explain.
