Is fire an example of radiation?
The fire itself is not an example of radiation, but the heat from the fire is an example of radiation.
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What is a plane electromagnetic wave?
The power in watts is calculated using the following formula: P = VI where V is the voltage (V) and... View Article
How do you calculate power in watts?
A changing electric field produces a changing magnetic field which in turn produces a changing electric field, thereby propagating as... View Article
What is the relationship between light intensity and distance?
The relationship between light intensity and distance is inverse in nature. When the distance increases, the light intensity decreases. When... View Article
What is polarization loss factor?
The polarization loss factor is the projection of the normalized transmitted field vector into the normalized receiving antenna polarization vector.... View Article
What is polarization ratio?
The degree of linear polarization is quantified with the polarization extinction ratio (PER), which is defined as the ratio of... View Article
Where is energy stored in electromagnetic waves?
The energy of the electromagnetic waves is stored in the electric and magnetic fields.
What type of energy is electromagnetic waves?
Electromagnetic radiation is one of the many ways, energy travels through space. Some examples of electromagnetic radiation are: The heat... View Article
What happens when modulation index is greater than 1?
The measure of the extent to which the parameter of the carrier is varied in accordance with the modulating signal... View Article
Why does surface tension act tangentially?
The surface tension acts tangentially, even though the net force acts downward because of the following reasons: Particles on the... View Article
How do you add two waves together?
Superposition of waves occurs when two waves occupy the same point. This results in the addition of the two waves.... View Article
What is knee voltage?
Knee voltage is the forward voltage at which the flow of the current through the PN junction of the diode... View Article
Where should your center of gravity be in relationship to your base of support when lifting an object?
A centre of gravity is the centre of the weight of an object or person. A lower centre of gravity... View Article
What increases Polarizability?
When the volume occupied by the electrons increases, the polarizability increases. Larger atoms have loosely bound electrons while smaller atoms... View Article
What direction do electric fields travel?
The direction of the electric field is always directed in the direction that a positive test charge would be pushed... View Article
Which electromagnetic wave has the greatest amplitude?
Gamma rays has the greatest amplitude among all electromagnetic waves.
Which material has highest dielectric strength?
A perfect vacuum has the highest dielectric strength, rated at 1×1012 MV/m.
How do you find the average electric field?
The average value of the electric field can be calculated by dividing the potential difference by the displacement. The potential... View Article
What is the formula of Vernier constant?
Vernier constant is defined as the difference between the value of one main scale division and one vernier scale division.... View Article
How do you find speed in circular motion?
In a uniform circular motion, speed is equal to the arc length travelled (S) divided by the change in time... View Article
