The force on a lkg mass on the earth's surface is 10N I( the radius of the earth is 6400 km, the force on a 4 kg mass at a point 2000 km from the center of the carth, (assuming the carth has uniform density) is: A) D) 3.125 N 12.8 N B) E) 40 N 3.2 N C) 12.5 N
The force on a lkg mass on the earth's surface is 10N I( the radius of the earth is 6400 km, the force on a 4 kg mass at a point 2000 km from the center of the carth, (assuming the carth has uniform density) is: A) D) 3.125 N 12.8 N B) E) 40 N 3.2 N C) 12.5 N
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Answer Q9. Hence Justify your answer, explaining detailly each step
Transcribed Image Text:A narrow coil of 10 turns and area 4 x 1o²m² is placed in a uniform magnetic field of flux density, B= 10'T, So
that the flux links the turns nomally. The induced emf in the coil if it is removed completely from the field in 0.5
8.
s is
B
A
8x 10 V 2x 10° v 4x 10° v 4: 10ʻ V | 2x 10³ v
D
E
9.
The force on a lIkg mass on the carth's surface is 10 N If the radius of the earth is 6400 knm, the force on a 4 kg
mass at a point 2000 km from the center of the carth, (assuming the carth has uniform density) is:
A)
D)
3.125 N
12.8 N
B)
E)
C)
40 N
12.5 N
3.2N
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