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2. A laser is pulsed. It emits at a power of 4W for a quarter of...

2. A laser is pulsed. It emits at a power of 4W for a quarter of a period (T/4) and then is turned off during the remaining part of the period T. Find the average power (P) delivered by the laser.

a) P=4 W

b) P=2 W

c) P=1 W

d) P= 0.5 W

e) none of these

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4 x I ☺ }} * 7 Z Aug Power Energy Time Any T

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