Question
difference between:
(1) Direct Current (DC) and Alternating Current (AC)
(1) Direct Current (DC) and Alternating Current (AC)
✓
Answer
| Direct Current (DC) | Alternating Current (AC) |
| 1. It flows only in one direction. | 1. Its direction is reversed at regular intervals of time. |
| 2. It is obtained with a cell/battery or a DC generator. | 2. It is obtained with an AC generator. |
| 3. Its production is expensive. | 3. Its production is comparatively cheaper. |
4. There is large loss of electric power when it is transmitted over long distances. | 4. There is comparatively less loss of electric power when it is transmitted over long distances. |
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
What happens if the egg is not fertilised in woman?
Explain the absorption of water by the roots and its transport in upward direction.
Show how you would connect three resistors, each of resistance $6 \Omega$, so that the combination has a resistance of (i) $9 \Omega$, (ii) $4 \Omega$.
→Write the structure of a nephron and its work.
What is meant by five types of $‘R’ (5-R's)$ to save the environment? Explain.
→Which products are obtained when metals react with water? Explain the reaction of metals such as potassium (K), sodium (Na), calcium (Ca), magnesium (Mg), aluminium (Al), iron (Fe), zinc (Zn), lead (Pb), copper (Cu), silver (Ag) and gold (Au) with water.
What is vegetative propagation? State the advantages of it.
Answer the following questions asdirected: $(a)$ Why is concentrated acid added to water for dilution? $(b)$ Explain with reason: Curd and soursubstances should not be kept in brass and copper vessels.
→Write a short note on fuse.