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On What Factor Do The Mutual Inductance Depend Between Two Coils(A)Cross-sectional Area Of The Common Core. (B) The Number Of Their Turns. (C) Permeability Of The Core. (D) All Of These

The correct answer is (D) All Of These. The mutual inductance depends on all of the above factors. Explore more such questions and answers at... View Article

Calcium Imide on hydrolysis gives gas (P) which on oxidation by bleaching powder gives gas (Q), Gas (Q) on reaction with magnesium gives compound (R) which on hydrolysis again gives gas (P). Identify (P), (Q), And (R):(A) N2N2O5,Mg(NO3)2.(B) N2,NH3,MgNH.(C) NH3,NO2,Mg(NO2)2.(D) NH3,N2,Mg3N2.

The correct answer is (D) NH_{3},N_{2,Mg_{3}N_{2}. Calcium imide on hydrolysis gives gas NH_{3} and Ca(OH)_{2}. So p is NH_{3} CaNH + 2H_{2}O... View Article

A Sum Of Money At Simple Interest Amounts To Rs.815 In 3 Years And To Rs.854 In 4 Years. The Sum Is(A) 650. (B) 690. (C) 698. (D) 700.

The correct answer is (C) 698. Simple Interest (S.I) for one year = Rs.854 - Rs.815 = Rs.39 Simple Interest (S.I) for three year = Rs.39 * 3 =... View Article

SnO Is Called An Amphoteric Oxide. Give An Explanation For It.

Amphoteric oxides refer to those oxides, which behave as both basic and acidic oxides. Tin(II) oxide (SnO) is a called Amphoteric oxide as it... View Article

Ionisation Enthalpy (Δ Ih1Kj Mol −1) For The Elements Of Group 13 Follows The Order: (A) B > Al < Ga > In < Tl.(B) B > Al > Ga > In > Tl. (C) B < Al > Ga < In > Tl.(D) B < Al > Ga > In > Tl.

The correct answer is (A) B > Al < Ga > In < Tl. On moving down the group in the Periodic table from Boron (B) to Thallium (Tl),... View Article

Oxygenated Blood Returns From Lungs To The Heart Through______.(A) Pulmonary Vein. (B) Coronary Vein. (C) Pulmonary Artery. (D) Coronary Artery.

The correct answer is (A) Pulmonary Vein. Pulmonary veins are the largest vein that which play an essential role by receiving blood that has been... View Article

Branched Chain Of Lipids Occur In The Cell Membranes Of______.(A) Mycoplasms.(B) Streptomyces.(C) Actinomycetes.(D) Archaebacteria.

The correct answer is (D) Archaebacteria. Branched Chain Of Lipids Occur In The Cell Membranes Of Archaebacteria, the primitive bacteria. This... View Article

Volume And Total Surface Area Of A Solid Hemisphere Are Equal In Magnitude. The Volume Is Expressed In Cm3 And The Area Is Expressed In Cm2. Find The Radius Of The Hemisphere.

Sol: Volume of a hemisphere of radius, r = Total Surface Area of a hemisphere of radius, r = As given i the question, we have... View Article

Melt:Liquid::Freeze:______

Melt:Liquid::Freeze:solid As on melting liquid is formed, similarly on freezing solid is formed. For example: As on melting ice, water... View Article

Mention The Qualifications Necessary For Election As President Of India.

According to Article 58 of the constitution, The Qualifications Necessary For Election As President Of India are: He/she should be a citizen... View Article

The Working Of A Dynamo Is Based On The Principle Of_______(A) Heating Effect Of Current. (B)Chemical Effect Of Current. (C) Electromagnetic Induction. (D)Magnetic Effect Of Current.

The correct answer is (C) Electromagnetic Induction. Explore more such questions and answers at BYJU’S.... View Article

Find The Common Factors Of 8 And 20

Sol: The common factors of 8,20 is 4 8 = 2 * 2 * 2 20 = 2 * 2 * 5 Therefore, here the common factor is 2 * 2 = 4 Explore more such questions and... View Article

Which Of The Following Is Closest Relative Of Man? (A) Gibbon. (B) Gorilla. (C) Orangutan. (D)Chimpanzee.

The correct answer is (D) Chimpanzee. Chimpanzees are the closest living relatives to humans. Among all the above-given options, both humans... View Article

A Food Chain Consists Of _____(A) Producers. (B) Consumers. (C) Decomposers. (D) All Of These.

The correct answer is (D) All Of These. A food chain consists of producers, consumers as well as decomposers. In food chain: Plants are the... View Article

In Any Subshell, The Maximum Numbers Electrons Having The Same Value Of Quantum Number Is______.

In any subshell, the maximum number of electrons having the same value of the spin quantum number is 2l + 1. Therefore, In s subshell, l = 0,... View Article

Bonding Element In A Strain Gauge Must Have __________(A) Low Insulation Resistance.(B) High Insulation Resistance. (C) Zero Insulation Resistance.(D) Infinite Insulation Resistance.

The correct answer is (B) High Insulation Resistance. In a strain gauge, the bonding element must have a high value of insulation resistance.... View Article

Change The Following Statement Into Indirect Speech: He Said, I Will Be Here Again Tomorrow.

Indirect speech: He said that he would be there again the next day. Explore more such questions and answers at BYJU’S.... View Article

The Resistance Of A Wire Of Length 300M And Cross-section Area 1.0Mm 2 Made Of Material Of Resistivity 1.0×10 −7ΩM Is_____.

Given: Length = 300 m Cross-section Area Material of Resistivity = Resistivity, R = Explore more such questions and answers at BYJU’S.... View Article

For a cell, a graph is plotted between the potential difference v across the terminals of the cell and the current I drawn from the cell. the emf and the internal resistance of the cell are E And R, Respectively. Then E And r =____.

V = E - ir. If i = 0, then the potential reading wil be 2 V The emf = 2V If V = 0 and i = 5A. This gives r = 0.4Ω. Therefore, E = 2V, r= 0.4Ω... View Article

Give One Example Each Of Oil In Water And Water In Oil Emulsion.

An example of: Oil in water emulsion is vanishing cream. Water in oil emulsion is cold cream. Explore more such questions and answers at... View Article

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