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Consider the linear de machine shown below. Frinctionless rails Sliding bar R₁=0.12 10 N 0.75 m t=0 +|+ V₁-5 V Fig. 4 Uniform field directed out of page B=1.3 T 1) When the switch is on, is the force on the bar toward the top of the page or toward the bottom? Determine the initial (at the instant when the switch is switching on) force. 2) An external force of 10 N directed toward the top of the page is applied to the bar after the switch is on. In steady state, is the machine acting as a motor or as a generator? Determine the final velocity of the bar neglecting friction. 3) Find the power supplied by or absorbed by: (a) the electrical voltage source VT; (b) R₁; and (c) the external force.

Consider the linear de machine shown below. Frinctionless rails Sliding bar R₁=0.12 10 N 0.75 m t=0 +|+ V₁-5 V Fig. 4 Uniform field directed out of page B=1.3 T 1) When the switch is on, is the force on the bar toward the top of the page or toward the bottom? Determine the initial (at the instant when the switch is switching on) force. 2) An external force of 10 N directed toward the top of the page is applied to the bar after the switch is on. In steady state, is the machine acting as a motor or as a generator? Determine the final velocity of the bar neglecting friction. 3) Find the power supplied by or absorbed by: (a) the electrical voltage source VT; (b) R₁; and (c) the external force.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Consider the linear de machine shown below. Frinctionless rails Sliding bar RA=0.192 10 N 0.75 m t=0 + V₁-5 V Fig. 4 Uniform field directed out of page B=1.3 T 1) When the switch is on, is the force on the bar toward the top of the page or toward the bottom? Determine the initial (at the instant when the switch is switching on) force. 2) An external force of 10 N directed toward the top of the page is applied to the bar after the switch is on. In steady state, is the machine acting as a motor or as a generator? Determine the final velocity of the bar neglecting friction. 3) Find the power supplied by or absorbed by: (a) the electrical voltage source VT; (b) R₁; and (c) the external force.
Transcribed Image Text:Consider the linear de machine shown below. Frinctionless rails Sliding bar RA=0.192 10 N 0.75 m t=0 + V₁-5 V Fig. 4 Uniform field directed out of page B=1.3 T 1) When the switch is on, is the force on the bar toward the top of the page or toward the bottom? Determine the initial (at the instant when the switch is switching on) force. 2) An external force of 10 N directed toward the top of the page is applied to the bar after the switch is on. In steady state, is the machine acting as a motor or as a generator? Determine the final velocity of the bar neglecting friction. 3) Find the power supplied by or absorbed by: (a) the electrical voltage source VT; (b) R₁; and (c) the external force.
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