Thursday, January 24, 2019

CBSE PORTAL : (Download) CBSE: Class XII Troubleshooting And Maintenance Of Electronic Equipment Question Paper - 2018

CBSE PORTAL : (Download) CBSE: Class XII Troubleshooting And Maintenance Of Electronic Equipment Question Paper - 2018

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(Download) CBSE: Class XII Troubleshooting And Maintenance Of Electronic Equipment Question Paper - 2018

Posted: 24 Jan 2019 03:27 AM PST

Question Papers For Board Examinations 2018

Class – XII

Subject – Troubleshooting And Maintenance of Electronic Equipments

Subject : Troubleshooting And Maintenance of Electronic Equipments

Class : XII

Year : 2018

General Instructions :

Attempt any fourteen questions. Each question carries one mark. Select the correct answer. 

Questions :

SECTION A

1. In an electrical plug, the ‘earth’ pin in comparison to other pins, is
(1) equal
(2) smaller
(3) larger
(4) thinner

2. A multimeter is used to check
(1) Voltage
(2) Current
(3) Resistance
(4) All of the above
 
3. The resistance of a p-n junction diode in forward and reverse bias is respectively
(1) low and high
(2) high and low
(3) equal
(4) infinite and zero

4. Which microphone has a built-in amplifier ?
(1) Capacitance
(2) Moving coil
(3) Piezoelectric
(4) Carbon

5. In a carbon microphone, sound is converted into electrical signals by a change in
(1) Resistance
(2) Capacitance
(3) Inductance
(4) Coil movement

6. A moving coil loudspeaker converts
(1) Magnetic energy into electrical signals
(2) Electrical signals to sound
(3) Air pressure to electrical signals
(4) None of the above

7. Which loudspeaker is used for low frequencies ?
(1) Woofer
(2) Tweeter
(3) Squawker
(4) Horn type

8. What type of current is passed through the ‘Record Head’ in magnetic recording ?
(1) D.C.
(2) R.F.
(3) Audio signals
(4) 1 kHz A.C.   

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Courtesy: CBSE

CBSE Board Class-XII
सीबीएसई बोर्ड कक्षा-12
सीबीएसई बोर्ड परीक्षा
Downloads
Exam Paper
Class-12

CBSE Board Exam Class-12 Model Answers 2017 : Biology

Posted: 24 Jan 2019 02:32 AM PST

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CBSE Board Exam Class-12 Model Answers 2017

Exam Name : CBSE Borad Exam Class - 12 Model Answers 2017

Subject : Biology (Model Answer)

Year : 2017

Click Here to Download Full Model Answer​

CBSE Board Class-X
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CBSE Board Exam Class-12 Model Answers 2017 : Chemistry

Posted: 23 Jan 2019 11:31 PM PST

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CBSE Board Exam Class-12 Model Answers 2017

 

Exam Name : CBSE Borad Exam Class - 12 Model Answers 2017

Subject : Chemistry (Model Answer)

Year : 2017

Click Here to Download Full Model Answer

COURTESY : CBSE

CBSE Board Class-X
सीबीएसई बोर्ड कक्षा-10
Sample Paper
Chemistry
Class-10

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(Download) CBSE Class-12 Sample Paper And Marking Scheme 2018-19 : Fashion Studies

Class: XII
Fashion Studies
Sample Question Paper 2018-19
Time: 3hours
M.M.70

SECTION A

1. Define the term 'clothing'.

2. Which city has become the major staging ground for Italian ready to wear shows?

3 What do you understand by the term 'sloper'?

4 Where is hip level marked on a dress form?

5 Who is known as 'Minister for fashion'?

Click Here To Download Full Sample Paper

Click Here To Download Full Marking Scheme

CBSE (Class XII) Previous Year Papers Printed Books

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Courtesy: CBSE

CBSE Board Class-XII
सीबीएसई बोर्ड कक्षा-12
Fashion Studies
Class-12

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