Selina solutions

Selina solutions

Grade 8

Electricity | Short/Long Answer Questions - I

Question 10

Q10) In an appliance of power P watt is used for time 1 hour. How much electrical energy is consumed in kWh.

Solution:

Power = Electrical energy/time

P=\frac{W}{t}

Electrical energy = P t

=Px10^{-3} kW x 1 h

= 0.00PkWh

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subject-cta

Question 10

Q10) In an appliance of power P watt is used for time 1 hour. How much electrical energy is consumed in kWh.

Solution:

Power = Electrical energy/time

P=\frac{W}{t}

Electrical energy = P t

=Px10^{-3} kW x 1 h

= 0.00PkWh

Still have questions? Our expert teachers can help you out

Book a free class now

Want to top your physics exam ?

Learn from an expert tutor.

Book a free class now
subject-cta
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