KVPY Stream SB-SX (Class 12 & 1st Year BSC) Physics: Questions 147 - 150 of 250
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Question number: 147
Appeared in Year: 2015
A wire bent in the shape of a regular n polygonal loop carries a steady current I. Let I be the perpendicular distance of a given segment and R be the distance of given segment and R be the distance of a vertex both from the centre of the loop. The magnitude of the magnetic field at the centre of the loop is given by.
Question number: 148
Question number: 149
A 1.5 kg object travelling with uniform acceleration covers 16 m in 4th second and 20 m in 5th second. Which of the following is correct?
The force on the object is 6N.
The initial velocity of the object is 2 ms-1
The acceleration of the object is 4 ms-2.
|d.||All a. , b. and c. are correct|