09 Nov 2021: UPSC Exam Comprehensive News Analysis
Nov 9th, 2021, CNA:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related B. GS 2 Related C. GS... View Article
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08 Nov 2021: PIB Summary & Analysis
TABLE OF CONTENTS 1. Padma Awards 2. UNESCO Creative Cities Network (UCCN) 3. Statement Delivered by Basic Group in Joint... View Article
How difficult it is to become an IAS officer?
Becoming an IAS officer is a dream of every aspirant who prepares for the Civil Services Examination conducted by UPSC.... View Article
Bodhisattva – List, Ideal & Definition
The individuals who are on the path to becoming Buddha or attaining salvation are known as Bodhisattvas. In Sanskrit, Bodhisattva... View Article
Difference Between Small Finance Bank and Payments Bank
The Small Finance Banks and the Payments Banks in India are both licensed under the Reserve Bank of India, and... View Article
Gadgil Report and Kasturirangan Report on Western Ghats
The frequent occurrence of natural disasters, especially landslides, flooding, have brought into focus the essence of conservation of the Western... View Article
A torch is not functioning, though contact points in the torch are in working condition. What can be the possible reasons for this? Mention any three.
The possible reasons for not functioning of torch are: The torch bulb may be fused. The cells may be discharged.... View Article
Fig 12.10 A and B, show a bulb connected to a cell in two different ways. (i) What will be the direction of the current through the bulb in both the cases (Q to P or P to Q)? (ii) Will the bulb glow in both the cases? (iii) Does the brightness of the glowing bulb depend on the direction of current through it?
Answer (i) We know that direction of current flow is always from positive terminal of battery to negative terminal through... View Article
Boojho has a cell and a single piece of connecting wire. Without cutting the wire in two, will he be able to make the bulb glow? Explain with the help of a circuit diagram.
we have to connect the bulb using only one wire. The way to do so is to connect one terminal... View Article
Paheli wanted to glow a torch bulb using a cell. She could not get connecting wires, instead, she got two strips of aluminium foil. Will she succeed? Explain, how?
Aluminium is a metal and a good conductor of electricity. So yes, the aluminium foils will act as connecting wires... View Article
A fused bulb does not glow. Why?
If the filament of a bulb is broken it is said to be a fused bulb that is that the... View Article
Which of the following arrangement A, B, C and D given in fig 12.9 should not be set up? Explain, why?
(A) is the inappropriate setup. In figure B the electric cell is connected to two bulbs and both bulbs will... View Article
Why do bulbs have two terminals?
A bulb has two terminals, one for sending the current to the filament and the other is for receiving it... View Article
Paheli connected two bulbs to a cell as shown in figure, She found that filament of bulb B is broken. Will the bulb A glow in this circuit? Give reason.
Bulb A will not glow. As we know, if a circuit is not complete the bulb will not glow. The... View Article
When the chemicals in the electric cell are used up, the electric cell stops producing electricity. The electric cell is then replaced with a new one. In case of rechargeable batteries (such – as the type used in mobile phones, camera and inverters), they are used again and again. How?
Rechargeable batteries can be recharged by providing them the current by secondary cells or storage cells.The main principle of battery... View Article
A torch requires 3 cells. Show the arrangement of the cells, with a diagram, inside the torch so that the bulb glows.
The diagram shown below is correct arrangement to join three electric cell inside the torch so that the bulb glows,... View Article
An electric bulb is connected to a cell through a switch as shown in the figure. When the switch is brought in ‘ON’ position, the bulb does not glow. What could be the possible reason/s for it? Mention any two of them.
The two possible reason behind that are: The first possible reason is that may be the filament inside the bulb... View Article
Will the bulb glow in the circuit shown inthe figure? Explain.
The bulb will not glow because the switch is open that means the circuit is broken. Switch helps to complete... View Article
You are provided with a bulb, a cell, a switch and some connecting wires. Draw a diagram to show the connections between them to make the bulb glow.
Steps to show the connections to make the bulb glow:- There are two terminals of an electric cell. Connect the... View Article
The given figure shows a bulb with its different parts marked as 1,2,3,4 and 5. Which of them label the terminals of the bulb?
Terminals in given the bulb are label 3 and label 4. A terminal is the part through which the electricity... View Article
