What Material Is Used In Electromagnets
What material is used in electromagnets? The electromagnets have a laminated core made from a ferromagnetic material like steel, soft... View Article
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What Does Polarised Mean
What does Polarised mean? Polarised means restricting the direction of vibration of the transverse wave in a single direction perpendicular... View Article
Are Heat Engines Reversible
Are heat engines reversible? Yes, heat engines can be reversible. The efficiency of the reversible heat engine is more than... View Article
How Pnp Transistor Works As A Switch
How PNP-transistor works as a switch? The current flows from the base in a PNP transistor. The base terminal is... View Article
Which Ion Is Paramagnetic In Nature
Which ion is paramagnetic in nature? Paramagnetic is a magnetic state of an atom with one or more unpaired electrons.... View Article
Why Does An Object Balance At Its Centre Of Mass
Why does an object balance at its centre of mass? The balancing of the object depends on the mass of... View Article
Does A Pendulum Accelerate
Does a pendulum accelerate? No, the acceleration of a pendulum is zero. The bob of the pendulum swings back and... View Article
Is A Horseshoe Magnet Stronger Than A Bar Magnet
Is a horseshoe magnet stronger than a bar magnet? Yes, horseshoe magnets are stronger than the bar magnet because of... View Article
Why Do Dry Cells Not Last Forever
Why do dry cells not last forever? Dry cells carry a fixed amount of reacting chemicals. Once the chemicals in... View Article
What Are The Signs Of A Bad Battery
What are the signs of a bad battery? A few signs of bad battery in a car are Headlights go... View Article
What Is Less Dense Water
What is less dense water? The density of water is maximum at 3.98oC and has the least density at 0oC.... View Article
Why There Is No Backward Wavefront
Why there is no backward wavefront? Energy flows from higher potential to lower potential. Similarly, the wave is a flow... View Article
What Is A Wave Barrier
What is a wave barrier? When the speed of the source is equal to the speed of the wave, a... View Article
What Is The Significance Of Fresnel Kirchhoff Diffraction Formula
What is the significance of Fresnel Kirchhoff diffraction formula? It is used to calculate the pattern of diffraction when the... View Article
Why Is Ionization Dangerous
Why is ionization dangerous? When the dose of the ionization is extremely high it can cause two types of harm... View Article
What Is Reduced Pressure In Thermodynamics
What is reduced pressure in thermodynamics? The reduced pressure thermodynamics is defined as the ratio of the actual pressure of... View Article
How Cold Is Absolute Zero
We are familiar with the term absolute zero. Absolute temperature is equal to -273.15 degrees and this is the lowest... View Article
What Frequency Is Used To Measure Bridges
What frequency is used to measure bridges? A metre bridge is used to measure a frequency range of 100 Hz... View Article
Does Any Metal Float
Does any metal float? All metals can float in water if they are made into the right shape or size.... View Article
The Equation Cos P 1 X2cos Pxsin P 0 In The Variable X Has Real Roots Then P Can Take
(cos p – 1) x2 + (cos p)x + sin p = 0 This is of the form ax2 +... View Article
