Embibe Experts Solutions for Exercise 1: ICSE-2019

Author:Embibe Experts

Embibe Experts Physics Solutions for Exercise - Embibe Experts Solutions for Exercise 1: ICSE-2019

Attempt the practice questions from Exercise 1: ICSE-2019 with hints and solutions to strengthen your understanding. EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS solutions are prepared by Experienced Embibe Experts.

Questions from Embibe Experts Solutions for Exercise 1: ICSE-2019 with Hints & Solutions

MEDIUM
12th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 32 - Junction Diodes>ICSE-2018>Q 1

With reference to semiconductor devices, define a p-type semiconductor and a Zener diode. What is the use of Zener diode?

EASY
12th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 32 - Junction Diodes>ICSE-2018>Q 2

The forward characteristic curve of a junction diode is shown in the figure :

Question Image

Calculate the resistance of the diode at

(i)  V=0·5 V

(ii) I=60 mA

MEDIUM
12th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 32 - Junction Diodes>ICSE-2019>Q 3

Draw a labelled circuit diagram of a half wave rectifier and give its output waveform.

MEDIUM
12th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 32 - Junction Diodes>ICSE-2020>Q 4

What is the advantage of an LED bulb over filament bulb?

MEDIUM
12th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 32 - Junction Diodes>ICSE-2020>Q 5

In a semiconductor diode, what is meant by a potential barrier?

HARD
12th ICSE
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 32 - Junction Diodes>ICSE-2020>Q 6

Draw a labelled diagram of a Zener diode as a voltage regulator.