Materials which do not allow an electric current to flow through them are known as insulators. Materials such as glass, rubber, wood, plastics... View Article
The crust is the outermost layer of the earth. The mantle comes next followed by the outer core. The inner core is the deepest layer and the... View Article
When the PN junction diode is connected in reverse bias no current flows and works as an insulator. When a p-n junction diode is used for... View Article
Answer: Earth is one of the eight planets of our solar system. The solar system also contains 8planetswhich are large almost spherical objects... View Article
The switch is a simple device used to either break the electric circuit or complete it. The most common form of the electric power switch is a... View Article
The magnetic moment is inversely proportional to temperature The magnetism of a magnet falls with rising temperature and becomes practically... View Article
When the switch is closed, current passes through the circuit and the solenoid behaves as an electromagnet; thus attracting the metal rod. In... View Article
Answer: The melting point of ice decreases with an increase in pressure. The melting point is usually defined as the point at which materials... View Article
All of these can be used to detect current. A light bulb and an LEDÂ will glow if current passes through it, and a magnetic compass needle will... View Article
The relationship between the current flowing through a metallic wire and the voltage across its terminals is described by Ohm's law. The law... View Article
Water is a good conductor of electricity, and the current flowing through it can cause electrical shocks. So it is advised to cut off the power... View Article
