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AIIMS MBBS Entrance Test 2019 Physics Paper with Answer & Solutions 26 May First Shift Part 3

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Q-10: If voltage across Zener diode is then find out value of maximum resistance in this condition.

Image Voltage Across Zener Diode

Options:

(1)

(2)

(3)

(4)

Answer: (4)

Solutions:

Voltage across

Q-11: 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-12: Find force per unit length at P.

Image Force Per Unit Length at P

Options:

(1)

(2)

(3)

(4)

Answer: (2)

Solutions:

Let length of wire element at P is dl.

Magnetic field at B,

Q-13: Find magnetic field at centre if length of side of square loop is .

Image Magnetic Centre Enth Square Loop

Options:

(1)

(2)

(3)

(4)

Answer: (1)

Solutions:

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