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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 potential to lower... View Article

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. A polynomialâ€™s degree is the highest or the... 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 number cannot be expressed as p/q... 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 (x+14) (x-13)=0 (x+14) (x-13) are... 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 on... 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... 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 object and velocity of the object.... 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 period for... 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. Crystal salts with water of... 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. A temporary arm like... 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. The sperms are released from the... View Article

Prove that root 5 is irrational number

Given: âˆš5 We need to prove that âˆš5 is irrational Proof: Let us assume that âˆš5 is a rational number. So it can be expressed in the form p/q... 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 another is called thermodynamics.... 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 as a solid-state of... 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 7... View Article

What is an irrational number?

Irrational numbersÂ are real numbers that cannot be represented as a simple fraction. It cannot be expressed in the form of a ratio, such as p/q,... 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 so that the cells in leaves gets... 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 conductor between two points... 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 a is acceleration t is... 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 arithmetic... View Article