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i) Expression for the drift velocity of electrons:When a potential difference is applied across a conductor, an electric field is produced and free electrons a
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Answer:Use standard hydrogen electrode as anode and Mg2+ | Mg as a cathode we can measure the standard electrodepotential of systemMg2+
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Find CBSE, ICSE State Boards Textbook Solutions of Class 8 to 12 of all subjects. Read NCERT Textbooks Questions and Answers & Find Previous year solved papers.
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Charge on dipole is ± 5μC=±5 ×10-6 CDistance between the charges = 1mm= 10-3 mDipole moment is given by-p = q(
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Nehru regarded conduct of foreign relations as an essential indicator of independence because it sets a country free to pursue its national interest The reasons
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Molar mass of the given element, M = 27 g mol-1 = 0.027 kg mol-1
Edge length, a = 4.05 x 10-8 cm = 4.05 x 10-10 m
Density, d = 2.7 g cm-3 = 2.7 x 103
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The following difficulties are associated  with Partition of India in 1947:
(i) There was no single belt of Muslim majority areas in British India.
(ii)Not
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The growth of Magadha culminated in the emergence of the Mauryan Empire. Chandragupta Maurya, who founded the empire (c. 321 BCE), extended control as far northwest as Afghanistan and Baluchistan, and his grandson Asoka, arguably the most famous ruler of early India, conquered Kalinga (present-day Orissa).
Such a huge empire needed a strong administration, hence here are the main features of how the empire was administered.

1. Division of empire into five major political centres- This centres were located at very strategic location for example both Taxila and Ujjayini were situated on im

The current in the circuit would be maximum when XL = Xci.e.,                   ωL = 1`
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(a) Each one of these ions contains 10 electrons and hence all are isoelectronic ions.(b The ionic radii of isoelectronic species increase with a decrease in t
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Sn = 3n2 –4n⇒ Sn – 1= 3 (n – 1)2 –4 (n – 1)∴ Sn – Sn –1 = (3n2 – 4n) – {3(n – 1)2 – 4 (n –1)}⇒ an = (3n2 – 4n) – {3(
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Here X takes the values 0, 1, 2, 3.Let p denote the probability of getting spade.Now,    P(X = 0) = P(X = 1) =                P(X = 2) = 
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Article 22 of the Constitution and criminal law guarantee to every arrested person the following Fundamental Rights:
(i)The Right to be informed at the time of

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