Please help! I have 1 more try left... I will definitely give you points if you
ID: 1373225 • Letter: P
Question
Please help! I have 1 more try left... I will definitely give you points if you get it right.
A conducting rod AB of length d = 0.60 m and mass 0.30 kg makes contact with the metal rails AD and BC as shown in the diagram. The apparatus is in a uniform magnetic field of flux density 170 mWb/m2 (1 Wb = 1 Tm2), perpendicular to the plane of the diagram. At the moment shown, distance AD is 2.20 m. Find the magnitude of the induced emf in the rod if it is moving to the right with a velocity of 6.60 m/s.
Answer the following questions with regard to the diagram above. If the first is T and the rest F, enter TFFFF.
A) The agent moving the rod to the right is doing positive work on the rod
B) The magnetic field due to the INDUCED current points within the loop ABCD into the plane of the paper.
C) In the absence of friction between rod and rail, a constant force is still required to keep the rod moving to the right with the same velocity.
D) The induced current flows clockwise.
E) As the rod AB moves to the right, the magnitude of the flux through the surface ABCD decreases.
Picture:
I've tried:
FTFFT
FTFFF
FTFFT
FTFTF
FTTFF
TTFFF
...and they were all wrong
A conducting rod AB of length d = 0.60 m and mass 0.30 kg makes contact with the metal rails AD and BC as shown in the diagram. The apparatus is in a uniform magnetic field of flux density 170 mWb/m2 (1 Wb = 1 Tm2), perpendicular to the plane of the diagram. At the moment shown, distance AD is 2.20 m. Find the magnitude of the induced emf in the rod if it is moving to the right with a velocity of 6.60 m/s. Answer the following questions with regard to the diagram above. If the first is T and the rest F, enter TFFFF. A) The agent moving the rod to the right is doing positive work on the rod B) The magnetic field due to the INDUCED current points within the loop ABCD into the plane of the paper. C) In the absence of friction between rod and rail, a constant force is still required to keep the rod moving to the right with the same velocity. D) The induced current flows clockwise. E) As the rod AB moves to the right, the magnitude of the flux through the surface ABCD decreases. A conducting rod AB of length d = 0.60 ni and mass OE30 kg makes contact with the metal rails AD and BC as shown in the diagram The apparatus is in a uniform magnetic field of flux density 170 mWb m^2 (1 Wb = 1 Tm2). perpendicular to the plane of the diagram. At the moment shown. distance AD is 2.20 m. Find the magnitude of the induced emf in the rod if it is moving to the right with a velocity of 6.60 m/s. Answer the following questions with regard to the diagram above. [f the first is T and the rest F. enter TFFFF. A) The agent moving the rod to the right is doing positive work on the rod B) The magnetic field due to the INDUCED current points within the loop ABCD into the plane of the paper. C) In the absence of friction between rod and rail. a constant force is still required to keep the rod moving to the right with the same velocity. D) The induced current flows clockwise. E) As the rod AB moves to the right. the magnitude of the flux through the surface AB CD decreases I've tried: FTFFT FTFFF FTFFT FTFTF FTTFF TTFFF ...and they were all wrongExplanation / Answer
Given magnetic flux density = 170 mWeber/m^2
so, magnetic filed, B = 170 mT
= 0.17 T
Apply, Induced emf = B*v*L*sin(90)
= 0.17*6.6*0.6*1
= 0.673 volts
A) T
B) T
C) T
D) T
E) T