In the figure below, let B=0.2cos(120rtt) (Tesla), and assume that the conductor joining the two ends of the resistor is perfect. Calculate the emf across the terminals ab: Vemf=Vba Uniform B 250 2 p-15 cm Select one: O a. -5.33 cos(120t) V O b. -5.33 sin(120rt) V O c. 5.33 cos(120nt) V

In the figure below, let B=0.2cos(120rtt) (Tesla), and assume that the conductor joining the two ends of the resistor is perfect. Calculate the emf across the terminals ab: Vemf=Vba Uniform B 250 2 p-15 cm Select one: O a. -5.33 cos(120t) V O b. -5.33 sin(120rt) V O c. 5.33 cos(120nt) V

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

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter7: Alternating Current, Power Distribution, And Voltage Systems

Section: Chapter Questions

Problem 11RQ

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Concept explainers

Distribution System

The final stage in the delivery of the electric power is the electric power distribution system. From the transmission system to the individual customers it carries electricity. The distribution system is connected with the transmission system and is used to lower the voltage of the transmission to medium voltage in the range of 2 kV to 35 kV with the help of transformers. This medium voltage to the distribution transformers located near the customer's premises is carried by the primary distribution system lines. These distribution transformers in turn lower the voltage to utilization voltage used in lightings, household appliances, industrial equipments etc. Through secondary distribution lines often several customers are supplied from one transformer. It is through service drops, the commercial and residential customers are connected to the secondary distribution system lines. Customers who demand a larger amount of power can be connected directly to the primary distribution system level or the sub-transmission level.

Question

In the figure below, let
B=0.2cos(120t) (Tesla), and assume
that the conductor joining the two
ends of the resistor is perfect.
Calculate the emf across the terminals
ab: Vemf=Vba
Uniform B
250 Q
p-15 cm
Select one:
O a. -5.33 cos(120tt) V
O b. -5.33 sin(120nt) V
O c. 5.33 cos(120tt) V
O d. Nopo ef these

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