NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 2094 - 2097 of 2320

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Question number: 2094

» Electronic Devices » Semiconductor Diode

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Appeared in Year: 2016

MCQ▾

Question

The given circuit has two ideal diodes connected as shown in the figure below. The current flowing through the resistance will be –

A circuit having two diodes

A Circuit Having Two Diodes

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 2095

» Kinematics » Average Speed and Instantaneous Velocity

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Appeared in Year: 2016

MCQ▾

Question

Two cars P and Q start from a point at the same time in a straight line and their positions are represented by and . At what time do the cars have the same velocity?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 2096

» Magnetic Effects of Current and Magnetism » Bar Magnet

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Appeared in Year: 2016

MCQ▾

Question

A bar magnet is hung by a thin cotton thread in a uniform horizontal magnetic field and is in equilibrium state. The energy required to rotate it by is . Now the torque required to keep the magnet in this new position is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 2097

» Electrostatics » Gauss's Law

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Appeared in Year: 2016

MCQ▾

Question

A uniform magnetic field is restrict within a region of radius . The magnetic field changes with time at a rate . Loop 1 of radius encloses the region and loop 2 of radius R is outside the region of magnetic field as shown in the figure below. Then the e. m. f. generated is:

Circle cCircle c: Circle through B with center ACircle cCircle c: Circle through B with center ACircle dCircle d: Circle through C with center ACircle d_1Circle d_1: Circle through C_1 with center A_1Segment fSegment f: Segment [A, D] Segment gSegment g: Segment [A, E] Segment g_1Segment g_1: Segment [A_2, E_1] Point AA = (-1.04,2.64) Point AA = (-1.04,2.64) Point A_1A_1 = (3.44,2.72) Point A_1A_1 = (3.44,2.72) rtext1 = “r”Rtext1_1 = “R”Rtext1_2 = “R”1text1_3 = “1”2text1_4 = “2”

Two Loops of Radius R

Choices

Choice (4)Response

a.

in loop 1 and zero in loop 2

b.

zero in loop 1 and zero in loop 2

c.

in loop 1 and zero in loop 2

d.

in loop 1 and in loop 2

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