wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

IE Group 4 - Assessment 2

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Instruments that consume very less power as compared to analogue instruments.

a)

Digital Instrument

b)

Analogue Instruments

c)

Steel Scale

d)

Multimeter

2.

The accuracy of the digital electronic instrument is very much (a)   .

3.

it is used for converting the non-electrical or physical quantities (temperature, displacement etc.) into an electrical quantity like voltage, current etc. which is easily measured by the meter. The transducer is not required for the electrical input.

a)

Micrometer Gauge

b)

Transducer

c)

Signal Modifier

d)

Display Device

4.

It is used for modifying the input signal of very weak strength.

a)

Display Device

b)

Transducer

c)

Signal Modifier

d)

Micrometer Gauge

5.

is used for showing the measure and quantities in the numeric form. Mostly,  LED or LCD is used as a digital display.

a)

Signal Modifier

b)

Display Device

c)

Transducer

d)

Micrometer Gauge

6.

is a semiconductor light sensor that generates a voltage or current when light falls on the junction

a)

Solar Cells

b)

Photo Diode

c)

Optical Fiber

d)

Light-Emitting Diodes

7.

is a P-N semiconductor diode in which the recombination of electrons and holes yields a photon.

a)

Laser Diodes

b)

Optical Fiber

c)

Light-Emitting Diodes

d)

Solar Cells

8.

Converts electrical energy into light energy like infrared diodes or LEDs

a)

Optical Fiber

b)

Photo Diode

c)

Laser Diodes

d)

Solar Cells

9.

It is a plastic and transparent fiber made of plastic or glass. It is somewhat thicker than a human hair.

a)

Photo Diode

b)

Optical Fiber

c)

Light-Emitting Diodes

d)

Laser Diodes

10.

It is an electronic device that directly converts sun’s energy into electricity.

a)

Light-Emitting Diodes

b)

Solar Cells

c)

Photo Diode

d)

Laser Diodes