Electronics and Experimental Methods (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 26 - 28 of 50

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Question number: 26

» Electronics and Experimental Methods » Digital Techniques and Applications » Similar Circuits

Appeared in Year: 2011

MCQ▾

Question

Consider the digital circuit shown below in which the input C is always high (1).

Circuit consists of AND, OR and XOR gates

Circuit Consists of and, or and XOR Gates

In figure circuit of combination of AND, OR and XOR gates is shown.

Truth table of given figure

In table inputs of figure are given.

Truth table of given figure

In table inputs of given figure are given.

A

B

Z

0

0

0

1

1

0

1

1

The entries in the Z column (vertically) are, - (June)

Choices

Choice (4) Response

a.

1011

b.

1111

c.

0100

d.

1010

Question number: 27

» Electronics and Experimental Methods » Microprocessor and Microcontroller Basics

Appeared in Year: 2011

MCQ▾

Question

The pins 0, 1, 2 and 3 of part A of a microcontroller are connected with resistors to drive an LED at various intensities as shown in the figure.

 Four pins connected with resistor

Four Pins Connected With Resistor

In figure pins 0, 1, 2, 3 of part A of a microcontroller are connected with resistors to drive an LED at various intensities.

For Equation and a voltage drop of Equation across the LED, the range (maximum current) and resolution (Step size) of the drive current are, respectively, - (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 28

» Electronics and Experimental Methods » Device Structure

Appeared in Year: 2013

MCQ▾

Question

The conductor in a 0.75 km long two – wire transmission lines are separated by a centre – to – centre distance of 0.2 m. If each conductor has a diameter of 4 cm, then the capacitance of the line is – (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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