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Which of the following factors affect the strength of force experience by current-carrying conduct in a uniform magnetic field?
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A magnetic field directed in north direction acts on an electron moving in east direction. The magnetic force on the electron will act ____________.
Concept: undefined >> undefined
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The direction of force on a current carrying conductor in a magnetic field is given by ____________.
Concept: undefined >> undefined
Show how you would connect three resistors, each of resistance 6 Ω, so that the combination has a resistance of 4 Ω.
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Identify the reducing agent in the following reactions
`4"NH"_3 + 5"O"_2 -> 4"NO" + 6"H"_2"O"`
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Identify the reducing agent in the following reactions -
`"H"_2"O" + "F"_2 -> "HF" + "HOF"`
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Identify the reducing agent in the following reactions
`"Fe"_2"O"_3 + 3"CO" -> 2"Fe" + 3"CO"_2`
Concept: undefined >> undefined
Identify the reducing agent in the following reactions
`2"H"_2 + "O"_2 -> 2"H"_2"O"`
Concept: undefined >> undefined
Identify the oxidising agent (oxidant) in the following reactions
`"Pb"_3"O"_4 + 8"HCl" -> 3"PbCl"_2 + "Cl"_2 + 4"H"_2"O"`
Concept: undefined >> undefined
Identify the oxidising agent (oxidant) in the following reactions
`2"Mg" + "O"_2 -> 2"MgO"`
Concept: undefined >> undefined
Identify the oxidising agent (oxidant) in the following reactions
`"CuSO"_4 + "Zn" -> "Cu" + "ZnSO"_4`
Concept: undefined >> undefined
Identify the oxidising agent (oxidant) in the following reactions
`"V"_2"O"_5 + 5"Ca" -> 2"V" + 5"CaO"`
Concept: undefined >> undefined
Identify the oxidising agent (oxidant) in the following reactions
`3"Fe" + 4"H"_2"O" -> "Fe"_3"O"_4 + 4"H"_2`
Concept: undefined >> undefined
Identify the oxidising agent (oxidant) in the following reactions.
`"CuO" + "H"_2 -> "Cu" + "H"_2"O"`
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Grapes hanging on the plant do not ferment but after being plucked from the plant can be fermented. Under what conditions do these grapes ferment? Is it a chemical or a physical change?
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Which among the following are physical or chemical change?
Evaporation of petrol
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Which among the following are physical or chemical change?
Burning of Liquefied Petroleum Gas (LPG)
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Which among the following are physical or chemical change?
Heating of an iron rod to red hot
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Which among the following are physical or chemical change?
Curding of milk
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Which among the following are physical or chemical change?
Sublimation of solid ammonium chloride
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