AIIMS MBBS Entrance Test 2019 Physics Paper with Answer & Solutions 25 May Second Shift Part 4

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Q-14 A transformer consists of turn in primary coil and turns in secondary coil with the load of . Find out current in the primary coil when the voltage across secondary coil is .

Options:

(1)

(2)

(3)

(4)

Answer: (2)

Solutions:

Q-15 In figure two parallel infinitely long current carrying wires are shown. If resultant magnetic field at point A is zero. Then determine current .

(1)

(2)

(3)

(4)

Answer: (3)

Solutions:

At

Q-16 A Carnot engine works between and . Heat supplied by the source is 500 J. Then heat ejected to the sink is:

Options:

(1)

(2)

(3)

(4)

Answer: (3)

Solutions:

Q-17 Find out work done to expend soup bobble to radius

(1)

(2)

(3)

(4)

Answer: (2)

Solutions: