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21.09.2021 •
Physics
A filament lamp and a 220 ohm resistor are connected in series to a battery of E.M.F 6.0 V. The battery has no internal resistance. A high resistance voltmeter placed across the resistor measures 1.8 V
(a) Calculate current drawn from the battery
(b) the P.D. across the lamp
(c) total resistance of the circuit
(d) number of electrons passing through the battery in a time of 1 minute
elementary charge is 1.6 x 10^-19
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earthquakes
Explanation: