CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 136 - 138 of 401

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Question number: 136

» Electronics and Experimental Methods » Semiconductor Devices » Transistors

Appeared in Year: 2012

MCQ▾

Question

The transistor in the given circuit has Equation and Equation . If the load resistance Equation , the voltage and current gain are, respectively – (June)

Circuit diagram of transistor

Circuit Diagram of Transistor

In figure a circuit consist of the transistor is shown.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 137

» Electromagnetic Theory » Magnetostatics » Ampere's Theorem

Appeared in Year: 2013

MCQ▾

Question

A horizontal metal disc rotates about the vertical axis in a uniform magnetic field pointing up as shown in the figure. A circuit is made by connecting one end A of a resistor to the centre of the disc and the other end B to its edge through a sliding contact S. The current that flows through the resistor is – (December)

A rotating horizontal metal disc

A Rotating Horizontal Metal Disc

In figure a horizontal metal disc rotates about the vertical axis in a uniform magnetic field pointing up is shown. A circuit is made by connecting one end A of a resistor to the centre of the disc and the other end B to its edge through a sliding contact S.

Choices

Choice (4) Response

a.

DC from A to B

b.

Zero

c.

DC from B to A

d.

AC

Question number: 138

» Classical Mechanics » Lagrangian and Hamiltonian Formalism and Equations of Motion

Appeared in Year: 2014

MCQ▾

Question

The equation of motion of a system described by the time dependent Lagrangian Equation is – (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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