Find the largest number of four digits exactly divisible by 12,15,18 and 27.
prakrshpromotio
Asked:
December 2022
Show how would you connect three resistors, each of resistance 6ohms, so that the combination has a resistance of (a) 9ohms (b)4ohms.
prakrshpromotio
Asked:
December 2022
What is ozone and how does it affect an ecosystem?Why is excessive use of CFC cause of concern?
prakrshpromotio
Asked:
December 2022
What is biological magnification? Will the levels of this magnification be different at different levels of ecosystems?
(b)Give two important uses of washing soda and baking soda.
prakrshpromotio
Asked:
December 2022
An electric iron consumes energy at a rate of 840W when heating is at the maximum rate and 360W when the heating is at the minimum rate. The applied voltage is 220V. What is the value of current and resistance in each case?
prakrshpromotio
Asked:
December 2022
What is meant by water of crystallization? How would you show that copper sulphate contains water of crystallization?
(b)Give two important uses of washing soda and baking soda.
prakrshpromotio
Asked:
December 2022
What will happen, if the pancreas of a person stops functioning?
(b)Give two important uses of washing soda and baking soda.