5.Heating Effect of Electric Current Physics Class 10
Current flowing through a conductor produces heat. This heat depends on quantity of current flowing through the conductor, time and resistance of the conductor. We can write: H α I²…
7. Sum of Electrical Power Electrical Energy Consumed by a Resistive Load
Three sums of electrical power have been discussed in this video. This is the second part of sum discussion . Sum 1: A water heater has a rating of 4…
6.Sum of Electrical Power Physics Class 10
Three sums of electrical power have been discussed. Here. This sum will give a basic idea of finding electrical power and electrical energy consumed by a load or electrical energy…
4. Rating of Electrical Appliance and Calculation of Electrical parameters
Rating of Electrical Appliance:These are normal rating of electrical appliances available in the market. Electric bulb-100W, 60W, 15W Fluorescent tube- 40W, 20 W, 80W CFL lamp- 5W, 15W, 20 W,…
3 Commercial Unit Of Electrical Energy Physics Class 10
Th S.I. unit of energy is joul(J). Let the power (p) of an electrical appliance = P wattLet it is used for t seconds. Then Electrical energy consumed (W) =…
2.Electrical Power and its Expression For Class 10
Electrical Power: Rate of electrical energy supplied by a source e.g. a power station or an alternator or a dc battery etc is called electrical power. ∴ Power = Electrical…
Ohm’s Law of Current Electricity Physics Class 10
Ohm’s Law: It can be defined as “The potential difference (P.D.) across a conductor is proportional to the current flowing through it provided that physical conditions remain constant.” If V…
1.Electrical Energy Equation Class 10 Physics
Suppose a Current I flows through a circuit as shown in the figure. The voltage across the resistance is V . The P.D. is the work done to move a…
Emf Current Electricity Physics Class 10
Emf: Emf is defined as work done per unit charge in taking a positive charge through the complete circuit ( the circuit outside the source (cell) and inside of the…
Resistance Current Electricity Physics Class 10
Resistance: Resistance of a conductor is the opposition offered by the conductor to the flow of current through it. Resistances are of two type fixed resistance and variable resistance. Reason…