What is the practical utility of the post office box in day to day life?
Answer: By post office we can get our e mail and neccessary things and we can also parcel neccessay information in form of letters, envelops and post cards etc. and then we can give it in an post office with name and address of that person and in few time the postman will deliver it to the address written on it.30-Jul-2020
D) Principle of wheatstone bridge. Hint: Post office box is a wheatstone bridge style testing device with pegs and spring arms in order to close the electrical circuit to measure the properties of the circuit under test.
What is post office box and why is it so called?
Post Office Box, Physics named it so because it has a shape of box and was designed to find resistance of electric cables and telegraph wires. It was used in post offices to determine resistance of transmission lines. At balance, the unknown resistance S = (P/Q) R …… ( 1) It is based on principle of Wheatstone bridge.12-Feb-2020
The post office box was a Wheatstone bridge-style testing device with pegs and spring arms to close electrical circuits and measure properties of the circuit under test.
What is post office box explain its working in short?
A Post Office Box is used to measure an unknown resistance. It is a Wheatstone bridge with three arms P, Q and R ; while the fourth arm(S) is the unknown resistance.16-May-2014
A Post Office Box is used to measure an unknown resistance. It is basically a Wheatstone bridge with three arms known as P, Q, and R; while the fourth arm is the unknown resistance, denoted by S. P and Q are called the ratio arms while R is called the rheostat arm.
What is the formula of post office box?
S=QPR.
Post offices provide us with a service through which we can write letters to our relatives who are out of our range. The post offices hire postmen and post vans to deliver the letters of people. We can even send money and parcels to our dearest one at a very low cost.21-Jun-2019
What are the advantage of having a post box number?
What are the Advantages of a PO Box
The following items are available for purchase at the post office:
What is the importance of post?
Trade enquiries are made and business deals are finalised through correspondence. Placing order, intimation of sending goods, reminders for payments are mostly communicated by post. Cheques, drafts and valuable documents are also sent by post.
Explanation: In most of the regions in India, people live in backward areas where technology is not present. People communicate with each other and send and receive documents through traditional methods. That's why a post office is necessary for the neighborhood so people can send and science messages and letters.10-Apr-2020
How many types of post office are there?
It is basically classified into 3 types, namely – Head Post office, Sub Post Office and Branch Post Office.
1- Post office is a place where we post and receive letter and parcels. 2- First Indian post office was built in Calcutta. 3- Indian post office was established in 1854.15-Sept-2021
What does PO Box address mean?
: a box at a post office where you can have mail delivered — used in mailing addresses.
With Street Addressing (if available), you have the option of using the street address of your Post Office location, combined with your PO Box number, as your mailing address. This lets you receive packages from private carriers (such as UPS, FedEx, DHL and Amazon), as long as they comply with USPS mailing standards.
Do PO boxes have a physical address?
You can't. A PO Box is not a physical address, and therefore cannot be used as one.09-Feb-2021
Addressing Tips
What is the advantage of post office as a means of transporting goods?
Advantages of Postal Service: Assured and speedy delivery of goods is possible with the help of speed post service. Addressee receives the parcels at his doorstep. He doesn't have to travel too far in search of his parcels. Such a convenient mode of transport can be used when quantity is small and volume is low.
Through post offices we can communicate with others by sending letters by writing messages on an inland letters, post cards or even on a sheet of paper and putting it in a stamped envelope. These letters are then carried by road, rail, air or water transport to different cities and countries.28-May-2018
Which is the first post office in India?
The East India company opened its first post office in 1727. In 1774 Calcutta GPO was established. The site where the GPO is now located was actually the site of the first Fort William. An alley beside the post office was the site of the guardhouse that housed the infamous 1756 Black Hole of Calcutta (1756).
What is the practical utility of the post office box in day to day life?