NEET (National Eligibility cum Medical Entrance Test) Physics: Questions 2093 - 2096 of 2142

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Question number: 2093

» Electronic Devices » Semiconductor Diode

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 Equation will be –

A circuit having two diodes

A Circuit Having Two Diodes

Figure shows a circuit having two ideal diodes connected.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2094

» Kinematics » Average Speed and Instantaneous Velocity

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 Equation and Equation . At what time do the cars have the same velocity?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2095

» Magnetic Effects of Current and Magnetism » Bar Magnet

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 Equation is Equation . Now the torque required to keep the magnet in this new position is:

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 2096

» Electrostatics » Gauss's Law

Appeared in Year: 2016

MCQ▾

Question

A uniform magnetic field is restrict within a region of radius Equation . The magnetic field changes with time at a rate Equation . Loop 1 of radius Equation encloses the region Equation 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 c Circle c: Circle through B with center ACircle c Circle c: Circle through B with center ACircle c Circle c: Circle through B with center ACircle d Circle d: Circle through C with center ACircle d_1 Circle d_1: Circle through C_1 with center A_1Segment f Segment f: Segment [A, D] Segment g Segment g: Segment [A, E] Segment g_1 Segment g_1: Segment [A_2, E_1] Point A A = (-1.04, 2.64) Point A A = (-1.04, 2.64) Point A_1 A_1 = (3.44, 2.72) Point A_1 A_1 = (3.44, 2.72) r text1 = “r”R text1_1 = “R”R text1_2 = “R”1 text1_3 = “1”2 text1_4 = “2”

Two Loops of Radius R

In figure a uniform magnetic field is restricts within a region of radius r and two loops of radius R are shown. Loop - 1 is encloses the region r and loop 2 is outside the region.

Choices

Choice (4) Response

a.

Equation in loop 1 and zero in loop 2

b.

Equation in loop 1 and zero in loop 2

c.

zero in loop 1 and zero in loop 2

d.

Equation in loop 1 and Equation in loop 2

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