5ofstionA sliding bar is moving to the left along a conductive rail in the presence of a magnetic field atthe velocity of 3m/s as shown:rail011Vemf+WThe field is given by B=-3a, -4a, (Tesla). a, is oriented out of the page.Find Vemf if W = 1m.Select one:O a. 9VO b. 3VOC 6VO d. 7Vwww

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A sliding bar is moving to the left along a conductive rail in the presence of a magnetic field at the velocity of 3m/s as shown: rail 0 u y The field is given by B=-3a, -4a, (Tesla). a, is oriented out of the page. Find Vemf if W = 1m. Select one: O a 9V O b. 3V OC 6V O d. 7V W Vemf +

A sliding bar is moving to the left along a conductive rail in the presence of a magnetic field at the velocity of 3m/s as shown: rail 0 u y The field is given by B=-3a, -4a, (Tesla). a, is oriented out of the page. Find Vemf if W = 1m. Select one: O a 9V O b. 3V OC 6V O d. 7V W Vemf +

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

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter8: Basic Electric Motors

Section: Chapter Questions

Problem 3RQ

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Concept explainers

Solenoids

A solenoid is a common term for a telephone coil used as an electromagnet. It also refers to any device that uses a solenoid to convert electrical energy into mechanical energy. The device generates a magnetic field from an electric field and uses the magnetic field to produce precise motion. Solenoid valves are often used to change power, such as in-car transmitters or valves, such as in the fuel system.

Question

5
of
stion
A sliding bar is moving to the left along a conductive rail in the presence of a magnetic field at
the velocity of 3m/s as shown:
rail
0
11
Vemf
+
W
The field is given by B=-3a, -4a, (Tesla). a, is oriented out of the page.
Find Vemf if W = 1m.
Select one:
O a. 9V
O b. 3V
OC 6V
O d. 7V
www

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