13 Animated Videos | 10 Structured Questions.

Power consumption in electric appliances

Find the current drawn by the bulb being operated at optimum potential difference.

Find the amount of heat that is lost while boiling water with electric kettle.

what is the efficiency of the motor?

Power consumption for combination of appliances

Which bulb will be brighter if they are connected in series to a 200 V supply?

Find the time for boiling if both coils are switched on simultaneously in series and parallel combination.

Select the correct relation of output powers of three bulbs.

Compare the brightness of bulbs in each circuit.

What happens to the power of each bulb when the given operation is done.

Find the total power consumed by both the bulbs.

Max power transfer in circuits

Calculate the value of R for which the heat generated in the circuit is maximum.