4 20 ma circuits

Two combinatorial circuits, each having inputs x 1 , x 2 , x 3 , x 4 ,x n and a single output are said to be equivalent if their input/output tables are identica..

The devices which deliver electricity are called the 'sources'. Lamps, electric engines, etc. which consume electricity are called loads. Switches are used to switch the loads on and off whenever necessary. Hence, the source, the loads, and the switches are connected to form electrical circuit..

Electricity, Heating, Magnetic Effects..

Semiconductor Devices..

Question: A fuse in an electric circuit acts as a 1. current multiplication 2. voltage multiplication 3. power multiplier 4. safety device Answer: 4..

Question: The number of molecules in 4.25 g of ammonia is approximately 1. 1.0 x 10 23 2. 1.5 x 10 23 3. 2.0 x 10 23 4. 3.5 x 10 23 Answer: ..

Question: In the reaction: , the white precipitate seen is due to ______. 1. ZnCl 2 2. BaSO 4 3. BaCl 2 4. ZnSO 4 Answer: ..

Question: The body cavity of arthropoda is 1. pseudocoel 2. coelom 3. haemocoel 4. acoelom Answer: ..

Question: 100 kg.wt=________ . 1. 980 N 2. 9.800 N 3. 1000 N 4. 0.98 N Answer: ..

Question: Tyndall Effect in colloids is due to _________. 1. dispersion of light 2. merging of light rays 3. scattering of light 4. convergence of light rays Answer: ..