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A charge of+7 uC is placed at the centre of two concentric spheres with radius 2.0cm and 4.0 cm respectively. The ratio ofthe flux through them will beA)1.4B)1.2C)1.1D)1.16 |
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Answer» tion:Since charges tend not to move easily in nonmetallic solids it's possible to have "islands" of charge in glass, ceramics, and plastics. The latin word for island is insula, which is the origin of the word INSULATOR. In contrast, charges in metallic solids tend to move easily — as if someone or something was leading them. The latin prefix con or com MEANS "with". A PERSON you have bread with is a companion. (The latin word for bread is panis.) To take something with you on the road is to convey it. (The latin word for road is VIA.) The person you travel with who LEADS the way or provides safe passage is a conductor. (The latin word for leader is ductor.) A material that provides safe passage for electric charges is a conductor. |
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