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Vinita and Ahmed demonstrated a circuit that operates the two headlights and the two sidelights of a car, in their school exhibition. Based on their demonstrated circuit, answer the following questions. (i) State what happens when switch A is connected to a) Position 2 b) Position 3 (ii) Find the potential difference across each lamp when lit. (iii) Calculate the current a) in each 12 Ω lamp when lit. b) In each 4 Ω lamp when lit. OR (iv) Show, with calculations, which type of lamp, 4.0 Ω or 12 Ω, has the higher power.

i) 12 Ω lamps (only) on. (a) 4 Ω lamps (only) on (ii) 12 V for both sets of lamps and all of them are in parallel. (iii) 12 Ω lamps are on when the wire is connected to position 2. class 10 science ...

class 10 science board exam paper 2026sample paper for class 10 science board exam 2026vinita and ahmed demonstrated a circuit that operates
Virat
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The hormone cytokinin is found in regions of rapid cell division, like root and shoot tips, promoting growth. The hormone abscisic acid (ABA) inhibits growth and induces dormancy under stressful conditions. class 10 science half yearly paper class 10 free sample paper ...

cbse class 10 science half yearly sample papersclass 10 science half yearly 2025cytokinin is found in regions of rapid cell divisionhormone is present in the areas of rapid cell division in a plant
Virat
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Sameer is likely suffering from diabetes mellitus. It is caused by a deficiency of insulin hormone, which regulates blood sugar levels. Insulin is produced by the pancreas, specifically by the islets of Langerhans. class 10 science half yearly paper class 10 free ...

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Virat
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(a) Leads to infertility due to improper sperm formation. (b) Blocks sperm transport causing sterility. (c) No seminal fluid production; sperm inactive. (d) No pregnancy occurs; menstrual cycle continues. (e) Poor foetal nourishment, possibly causing miscarriage. cbse class 10 previous year ...

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Virat
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Study the figure given below and answer the following questions: (A) Name the process depicted in the diagram. (B) Write the composition of gases collected at anode and the cathode. (C) Write the balanced chemical equation of the reaction taking place in this case. (D) The reaction does not take place if a few drops of dilute sulphuric acid are not added to water. Why?

(A) Electrolytic decomposition of water/electrolysis of water. (B) The gas collected at cathode is hydrogen which is double the volume of oxygen collected at anode. sample paper for class 10 science board exam 2026 CBSE Sample Paper Class 10 Science 2025-26

cbse sample paper class 10 science 2025-26class 10 science half yearly paperfigure given below and answer the following questions
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