Power of Electric Appliances

13 Animated Videos | 10 Structured Questions.

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Electric Appliances

Power consumption in electric appliances

1 Min | 1MB

Q8

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

2 Min | 2MB #Basic

Q9

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

1 Min | 1MB #Basic

Q10

what is the efficiency of the motor?

1 Min | 1MB #Basic

Appliance Combination

Power consumption for combination of appliances

5 Min | 5MB

Q11

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

3 Min | 2MB #Basic

Q12

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

1 Min | 1MB #Basic

Q13

Select the correct relation of output powers of three bulbs.

2 Min | 1MB #Basic

Q14

Compare the brightness of bulbs in each circuit.

4 Min | 3MB #Basic

Q15

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

3 Min | 3MB #Basic

Q16

Find the total power consumed by both the bulbs.

2 Min | 2MB #Basic

Max Power Transfer

Max power transfer in circuits

2 Min | 1MB

Q17

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

1 Min | 1MB #Basic

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