How many times electric passes in bulb in in minutes?
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Let the current (I) through the bulb = 300 mA = 0.3 A
Note: It depends on the current passing through the bulb.
time t = 1 minute = 60 seconds
Now, charge Q = I x t = 0.3 x 60 = 18 coulomb
and no. of electrons = (total charge)/(charge on 1 electron)
? no. of electrons = (18)/(1.6 x 10-19)
= 1.125 x 1020 electrons
Note: It depends on the current passing through the bulb.
time t = 1 minute = 60 seconds
Now, charge Q = I x t = 0.3 x 60 = 18 coulomb
and no. of electrons = (total charge)/(charge on 1 electron)
? no. of electrons = (18)/(1.6 x 10-19)
= 1.125 x 1020 electrons
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