Write two points of difference between electric energy and electric power.
b) Out of 60 W and 40 W lamps, which one has higher electrical resistance when in
use.
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Electrical power is measured in Watts or KW. (b)=P/V I1=60/V I2=40/V I1/I2=60/V/40/V =60/40 => I1>I2 Since, R is indirectly proportional to I I2 has high resistance So, 40W lamp has greater resistance.
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Electrical power is the rate of amount of electrical energy transferred. electrical energy is the energy generated as the result of the potential difference in a circuit which causes current to flow through it. ... Energy is measured in joules.
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