Why charge of current in a circuit flow in only one direction
The flow of charges is always from the positive terminal to the negative terminal. The charges always flow from higher... View Article
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What is a degree of a polynomial?
The highest or greatest degree of a variable in a polynomial is called the degree of a polynomial. Definition A... View Article
Can we show that 0.01001000100001…… Is an irrational number using contradiction method?
Any number which cannot be expressed in the form of a simple fraction is termed as an irrational number. The... View Article
Factorise: 2x^2+2x-364
2x2+2x-364=0 Taking 2 as a common factor we get, x2+x-182=0 x2 – 13x + 14x – 182=0 x(x-13) + 14(x-13)=0... View Article
Write the difference between parasites and saprotroph
Parasite Saprophyte The organisms that grow, inhibits and derives nutrients from the host is called parasite The organisms that depend... View Article
Write the difference between homogenous and heterogenous mixture
Homogenous Mixture Heterogeneous mixture Comprises of uniform compositions Comprises of non- uniform compositions The components in this mixture are not... View Article
What is the definition of momentum? Explain
Momentum is the product of mass and velocity mathematically. It is the quantity of measure of the mass of the... View Article
A pendulum makes 40 oscillations in 4 seconds find its time period
Given: no. of oscillations= 40 time taken= 4seconds. time period= time taken for no. of oscillations/ no. of oscillations. time... View Article
What is meant by water of crystallisation?
The water of crystallization means having a fixed number of molecules present in one formula of a unit of salt.... View Article
What is pseudopodia?
Pseudopodia are temporary projections of the cell membrane of eukaryotic cells. It means that it is not a fixed structure.... View Article
Describe the process of fertilization in human being
A biological process in which the fusion of the male and the female gamete occurs is called fertilization. Process of... View Article
Prove that root 5 is irrational number
Given: √5 We need to prove that √5 is irrational Proof: Let us assume that √5 is a rational number.... View Article
What is thermodynamics?
The branch of science that deals with the relationship between heat, work, and change of state from one form to... View Article
Usually, solids have higher density than that of liquids. But Ice floats on water. Why?
Usually, solids have a higher density than that of liquids. But Ice floats on water. Reson: Ice is generally regarded... View Article
What is square of 7?
To find square of 7 Multiply the number twice That is 7 X 7= 49 49 is the square of... View Article
What is an irrational number?
Irrational numbers are real numbers that cannot be represented as a simple fraction. It cannot be expressed in the form of... View Article
Explain the process of testing the presence of starch in leaves?
The following experiment is performed to test the presence of starch in leaves: Take a fresh leaf Boil the leaf... View Article
1..How is voltage related to resistance 2.Can current across a circuit remain constant 3.What will be the supply voltage if three resistors of 4ohms each are connected in series in a circuit carrying 4A of current
1. The voltage and resistance relation is given by the ohm’s law Ohm’s law states that the current through a... View Article
What is v=u+at?
v=u+at is the first equation of motion. In this v=u+at equation, u is initial velocity v is the final velocity... View Article
Find the sum of the given series (45+46+47+………+113+114+115)
Given a series (45+46+47+………+113+114+115) We need to find the sum of the given series Solution The given series is in... View Article
