Question
Give the scientific reason : Fairy decorative lights are always connected in parallel.
✓
Answer
- If the fairy lights are connected in series, the equivalent resistance offered will be greater and the brightness of the bulbs will be affected.
- But in parallel connection all the bulbs will glow with same intensity and if any one bulb gets fused the other bulbs will continue to glow.
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
Write the uses of ethanoic acid.
If a woman is using a copper-T will it help in protecting her from sexually transmitted diseases?
Identify the substance which acts as an oxidising agent and reducing agent in the following reaction:
${ (i) } H_2 \text { (g) }+Cl_2 { (g) } \longrightarrow 2 HCl \text { (g) }$
$(ii) 2 Al (s)+ Cr _2 O _3$ (s) $\longrightarrow Al _2 O _3$ (s) +2 Cr(s)
→${ (i) } H_2 \text { (g) }+Cl_2 { (g) } \longrightarrow 2 HCl \text { (g) }$
$(ii) 2 Al (s)+ Cr _2 O _3$ (s) $\longrightarrow Al _2 O _3$ (s) +2 Cr(s)
Four students connect 4 cells of 1.5 V each to get a battery of voltage 6 V . State the incorrect connection / connections. Justify your answer.
Describe two types of waste based on their decomposition.
What is the nature of products formed on burning magnesium ribbon and sulphur powder? Mention their effect on litmus paper.
An electric refrigerator rated 400 W operates 8 hours/day. What is the cost of the energy to operate it for 30 days at ₹ 3 . 00 per kWh?
Give scientific reasons:
In a headlight, torch and search-light. a concave mirror (of small aperture) is used.
In a headlight, torch and search-light. a concave mirror (of small aperture) is used.
Let the resistance of an electrical component remain constant while the potential difference across the two ends of the component decreases to half of its former value. What change will occur in the current through it?
What happens at the synapse between two neurons?