a) Determine the colour bands and indicate the resistance range values (minimum - maximum) for each of the following 4-band resistors: i. 750 Q + 5% ii. 5.6 M2 + 10% b) Given two resistors with a 10 kQ and a 2 M2. i. Determine their conductance values. ii. How does the conductance level change as the resistance is increased? c) Determine the potential drop across a conductor if a current of 400 mA passes through it and transforms 20 J of electrical energy into heat in 10 seconds. d) Calculate the power dissipated by a 50 Q resistor if the current flow through the circuit is 1A. e) If a small fan has an internal resistance of 10 ko, determine the current through the fan if it is plugged into a 120 V outlet.

a) Determine the colour bands and indicate the resistance range values (minimum - maximum) for each of the following 4-band resistors: i. 750 Q + 5% ii. 5.6 M2 + 10% b) Given two resistors with a 10 kQ and a 2 M2. i. Determine their conductance values. ii. How does the conductance level change as the resistance is increased? c) Determine the potential drop across a conductor if a current of 400 mA passes through it and transforms 20 J of electrical energy into heat in 10 seconds. d) Calculate the power dissipated by a 50 Q resistor if the current flow through the circuit is 1A. e) If a small fan has an internal resistance of 10 ko, determine the current through the fan if it is plugged into a 120 V outlet.

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter12: Electronic Control Devices

Section: Chapter Questions

Problem 14RQ

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