What Is Resistance In Electricity Class 10

Thus generation of heat by electric current while passing through.

What is resistance in electricity class 10. Here we have given ncert class 10 science notes chapter 12 electricity. In practical applications resistors are used to increase or decrease the electric current. Cbse previous question paper problems opens a modal electricity class 10 numerical. Electricity class 10 science ncert solutions.

When current is 1 5 a voltmeter reading is 2 7v. The resistance of an object depends in large part on the material it is made of. Cbse board practice opens a modal up next for you. The si unit of electrical resistance is the ohm ω while electrical conductance is measured in siemens s formerly called mho s and then represented by.

Electrical resistance shares some conceptual parallels with the notion of mechanical friction. Cbse class 10 science notes chapter 12 electricity pdf free download is part of class 10 science notes for quick revision. The si unit of electrical resistivity is ohms metre. A battery of emf 3 0 v supplies current through a circuit in which resistance can be changed.

Higher the resistance the electric current will generate higher amount of heat. Factors on which resistance of a conductor depends on. It means 1 j work is done in moving 1 c of charge from point b to point a in an electric field. A piece of wire of resistance r is cut into five equal parts.

Electrical resistance is also known as specific electrical resistance. Component that is used to resist the flow of electric current in a circuit is called resistor. These parts are then connected in parallel. A high resistance voltmeter is connected across the battery.

Area of cross section cause of resistance connecting wires filament of an electric bulb length nichrome resistance resistivity about mrs shilpi nagpal. B potential difference between points a and b in an electric field is 1 v. The lpotential at p is 10 v and varies uniformly along pq what will be the potential at q. Resistance is a property of conductor due to which it resists the flow of electric current through it.

If the equivalent resistance of this combination is r then the ratio r r is a 1 25 b 1 5 c 5 d 25. Ohm s law and resistance get 3 of 3 questions to level up. Class 10 electricity tagged with. Resistivity and conductivity opens a modal.

Class 10 science electricity very short answer type questions 1 mark year 2011. Electric resistivity is defined as the electrical resistance offered per unit length and unit cross sectional area at a specific temperature and is denoted by ρ.