The order of magnitude of a physical quantity is its magnitude in powers of ten when the physical quantity is expressed in powers of ten with one digit to the left of the decimal.
Orders of magnitude are generally used to make very approximate comparisons and reflect very large differences.
1. sol:
P | q | ~p | ~p ^ q |
| T T F F | T F T F | F F T T | F F T F |
The Wheatstone bridge is not suitable for measuring very low resistance because it is based on a ratio of two resistances, and the resolution of the bridge decreases as the ratio approaches 1. This means that the Wheatstone bridge is not accurate enough to measure very small changes in resistance.
4.कमपयुटर हारडवेयर तिन परकारमा विभाजित छ। तिनीहरू हुन :
इनपुट उपकरण ( माउस, किबोरड, सकयानर)
आउटपुट उपकरण ( मनिटर, परिनटर, सपिकर)
परशोधन उपकरण (सि.पी. यु)
सोरेज उपकरण ( सिडि, पेन.डराइभ)
Materials show varying behaviors based on their Poisson's ratio. High Poisson's ratio materials (near 0.5) contract significantly sideways when stretched and expand when compressed, seen in substances like rubber. Low Poisson's ratio materials (near 0) undergo minimal width change during axial deformation, typical of metals and common engineering materials.