Technology

2 questions in Science & Technology.

Asked in 2025, 2018

2025 · Q43 Science & TechnologyTechnologymoderate

In the context of electric vehicle batteries, consider the following elements : I. Cobalt II. Graphite III. Lithium IV. Nickel How many of the above usually make up battery cathodes?

(a)Only one
(b)Only two
(c)Only three
(d)All the four

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Official answer(c) Only three

2018 · Q55 Science & TechnologyTechnologyeasy

In which of the following areas can GPS technology be used ? 1. Mobile phone operations 2. Banking operations 3. Controlling the power grids Select the correct answer using the code given below :

(a)1 only
(b)2 and 3 only
(c)1 and 3 only
(d)1, 2 and 3

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Official answer(d) 1, 2 and 3