Constants Part A Two horizontal metal rais are separated by 1.5 m and connected

Question

Constants Part A Two horizontal metal rais are separated by 1.5 m and connected at their ends by a 4.6 resistor to form a long, thin U shape. A metal axle with metal wheels on each side rolls along the rails at a speed of 30 m/s. Earth's B field has a magnitude of 5.0 x 10T and tlts downward 68° below the horizontal. Determine the average induced emf Express your answer to two significant figures and include the appropriate units. EmValue Units Submit Part B Determine the induced current Express your answer to two significant figures and include the appropriate units. iValue Units Submit An PartC Determine the power dissipated through the resistor Express your answer to two significant figures and include the appropriate units. RValue Units

Explanation / Answer

here,

length of rod , l = 1.5 m

speed, v = 30 m/s

magnitude of earth magentic feild , B = 5 * 10^-5 T

theta = 68 degree

a)

the average induced EMF , EMF = B * v * l * sin(theta)

EMF = 5 * 10^-5 * 30 * 1.5 * sin(68) V

EMF = 2.1 * 10^-3 V

b)

R = 4.6 ohm

the induced current , I = EMF / R

I = 4.5 * 10^-4 A

c)

the power dissapated , P = V * I

P = 9.45 * 10^-7 W

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