Sample Test paper for Class 10 -Real Number

access_time 2023-01-11T18:58:05.912Z face Sonika Agarwal
Real Number Class 10 Que 1 If a= x⁴y²,b= x²y³ then LCM (a,b) is a) x⁸y⁶ b ) x⁶y⁵ c) x⁴y³ d) none of these Ans ( c) Que 2 If LCM (32,a) = 64 and HCF (32,a) = 4 then value of a is a) 16 b ) 8 c) 20 d) 10 Ans (b) Que 3 Three bells rings at intervals 5,3,15 minutes. All three rang at 10 am when will the...

Electromagnetic Induction

access_time 2022-12-25T11:17:13.391Z face Sonika Agarwal
Electromagnetic Induction The phenomenon in which electric current is generated by varying magnetic field is called electromagnetic induction What is cause of generation of electric current between magnet and coil? Ans - The relative motion ie change in magnetic flux is cause of generation of electr...

Electrostatics and Electric Field

access_time 2022-12-25T11:00:51.135Z face Sonika Agarwal
Electrostatics and Electric Field Electric charges and fields Electric charges is of two types positive and negative loss of electrons gives positive charge and gain of electrons gives negative charge to a body SI unit of charge is Coulomb Dimensional formula is [AT] Quantization of charge The charg...

Magnetic Effects of Current - Summary of Lesson

access_time 2022-12-25T10:56:48.913Z face Sonika Agarwal
Magnetic Effects of Current Magnetic field-- In 1820 O rested observed that a compass needle shows deflection when brought near a current carrying wire this means electric current gives rise to magnetism - This law gives magnitude of magnetic field at any point due to current carrying conductor acco...

Semiconductor Devices

access_time 2022-12-25T10:27:03.836Z face Sonika Agarwal
Semiconductor Devices Semiconductors are the materials whose conductivity and resistivity lie in between metals and insulators When temperature higher than zero degree Kelvin some of the electrons are excited from valence band to conduction band creating an equal number of holes in the valence band ...
Launch your GraphyLaunch your Graphy
100K+ creators trust Graphy to teach online
Sonika Anand Academy 2023 Privacy policy Terms of use Contact us Refund policy