- Nine times
- Three times
- Six times
- One–third
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A man has 'n' magical eggs whose average weight is 'k' gm. Each of the 'n' eggs produces 'n' eggs next day such that the average weight of 'n' eggs produced is same as that of the parental egg for each 'n' groups individually i.e. each egg produces 'n' eggs of next generation and average weight of all the 'n' eggs of next generation is same as the weight of the mother egg. This process is continued without any change in pattern. What is the total weight of all the eggs of rth generation, where the initial number of eggs with man are considered as the eggs of first generation.?
Answer: Option 4 The weight is increasing in form of GP so the total weight of eggs in the end of rth will be nrk.
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The property of coil by which a counter e.m.f. is induced in it when the current through the coil changes is known as?
Answer: Option 1 Let'
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The self-inductance of the coil may be defined as equal to the e.m.f. induced in volts when the current in the circuit changes at the rate of unit Weber turns.?
Answer: Option 2 Let'
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The pressure coil of a wattmeter should be connected on the supply side of the current coil when?
Answer: Option 1 Let'
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When both the inductance and resistance of a coil are doubled the value of?
Answer: Option 1 Let'
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A certain amount of current flows through a ring shaped coil with fixed number of turns. How does the magnetic induction B varies inside the coil if an iron core is threaded into coil without dimensional change of coil?
Answer: Option 2 Let'
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The bypass factor (B. P. F.) in case of sensible heating of air is (Where td₁ = Dry bulb temperature of air entering the heating coil, td₂ = Dry bulb temperature of air leaving the heating coil, and td₃ = Dry bulb temperature of heating coil)?
Answer: Option 2 The bypass factor (B. P. F.) in case of sensible heating of air is (td₃ - td₂)/(td₃ - td₁) Where, td₁ = Dry bulb temperature of air entering the...
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The bypass factor, in case of sensible cooling of air, is given by (where td₁ = Dry bulb temperature of air entering the cooling coil, td₂ = Dry bulb temperature of air leaving the cooling coil, and td₃ = Dry bulb temperature of the cooling coil)?
Answer: Option 2 The bypass factor, in case of sensible cooling of air, is given by (td₂ -td₃)/( td₁ -td₃) where td₁ = Dry bulb temperature of air entering the cooling...
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Which direction is Sunny facing now Statements : I. If Sunny turns to his right and again turns to his right, he will be facing North. II. If Sunny walks some distance and turns left and again walks some distance, then his face will be towards left of Dinesh who is facing South.?
Answer: Option 3 From I, we conclude that Sunny is facing South, since a person facing South shall face North on turning to his right, twice. From II, we know that...
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A coil is wound on iron core which carries current I. The self-induced voltage in the coil is not affected by?
Answer: Option 2 Let'
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