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Xazdrubal
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Homework Statement
Atorch battery transfers 5200J of chemical energy into electrical energy while supplying a current of 0.25A for 4400 s. The bulb transfers 4800 j of electrical energy into heat and light during this time. Calculate
a)the charge that flows
b)the e.m.f. of the battery
c) the p.d. across the bulb
d)the lost volts
Homework Equations
Q=IT
The Attempt at a Solution
a) 0.25 x 4400 = 1100 C
b)5200/1100 = 4.73V
C) V=W/Q
NOT SURE WHAT TO DO FOR C / D /