Question

Who will spend more electrical
energy? 500 W TV Set in 30 mins,
or 600 W heater in 20 mins?​

Answer 1

Answer:

600 w heater in 20 minutes

Explanation:

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Answer 2

Given:

P1 = 500 W

T1 = 30 min

$= \frac{30}{60} = \frac{1}{2}hour$

P2 = 600 W

T2 = 20 mins

$= \frac{20}{60} = \frac{1}{3}hour$

To Find:

Who will spend more electrical energy?

Formula:

Energy Consumed = Power × Time

Solution:

$tv \: set = 500 \times \frac{1}{2}$

= 250 Watt hour

$heater = 600 \times \frac{1}{3}$

= 200 Watt hour

Final Answer: TV will consume more energy.