Do Transistors Have Polarity
Yes, transistors have polarity. A non-polarized component can be connected in any direction in a circuit. The transistors can be... View Article
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Can Steel Be Made Into A Permanent Magnet
Steel is an alloy of iron and carbon. In the natural state steel is not a magnet. Steel can be... View Article
What Objects Do Magnets Stick To
The magnets can stick to ferromagnetic substances. Some of the examples of ferromagnetic substances are Iron Nickel Steel Cobalt Manganese... View Article
How Can You Increase The Strength Of A Permanent Magnet
When the permanent magnet becomes too weak find a strong magnet and stroke it with the stronger magnet. The electrons... View Article
What Happens To Ferromagnetic When Heated
When the ferromagnetic substance is heated it loses its magnetic properties and becomes paramagnetic above a certain temperature. The temperature... View Article
How Do You Increase The Range Of An Ammeter
The range of the ammeter can be increased by connecting a suitable low resistance parallel to the ammeter. This reduces... View Article
Is Anything Faster Than Light
According to Einstein’s theory of relativity and based on all the experiments till date there is nothing in the real... View Article
What Intensity Means
The intensity of sound at a given point in a medium is the average rate of transfer of energy per... View Article
Does Snells Law Apply To Sound Waves
Yes. Snell’s law can be applied for sound waves. Snell’s law is used to explain the refraction of sound waves... View Article
Does Resistance Affect The Inductance
Resistance is the opposition to the flow of current. Whereas, inductance is the resistance to the change in the flow... View Article
Why Is Frequency Important In Electricity
Maintaining a constant frequency is very important since fluctuating frequency can damage the equipment. The equipment in our houses, offices,... View Article
How Can Inductance Be Reduced
With all the other factors being equal, if the number of turns of the wire is increased then the inductance... View Article
What Are The Advantages And Disadvantages Of A Heat Engine
The main disadvantage of a heat engine is the limitation of efficiency. Heat engine has the advantage that any forms... View Article
How Do You Increase Thermal Efficiency
The formula for thermal efficiency is ղ = 1 – (T2/T1) T2 is sink temperature T1 is the source temperature... View Article
Which Of The Following Current Must Be Zero In An Unbiased Pn Junction Diode
Which of the following current must be zero in an unbiased pn junction diode? Current due to majority charge carriers... View Article
What Is The Maximum Forward Voltage
The maximum forward voltage is the amount of voltage required to get the current to flow across the junction of... View Article
Why Led Is Operated In Forward Bias
When the LED is forward biased the electrons from the conduction band of the semiconductor will combine with the holes... View Article
Why Is The Reverse Bias Current Extremely Small
When the positive terminal of the diode is connected to the n-side and the negative terminal to the p-side the... View Article
What Is The Bulk Modulus Of Elasticity
Bulk modulus is a measure of the resistance of solids or liquids to changes in their volume. If the force... View Article
What Fringe Means
Interference fringe is the bright or dark band of light caused due to the superposition of two or more light... View Article
