An electric motor is rated 1.5kw-250v. calculate energy consumed by it in 2second and the time taken by it consume 90kwh of energy.
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Answer:
power of motor = 1.5 kw = 1500 w
energy consumed in 2 seconds = power x time
= 1500 x 2
= 30000 joules
energy(in kwh) = power(in kw) x time(in hrs)
90 kwh = 1.5 x time
time = 90/1.5
= 60 hrs
hope it helped !!
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