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1 A = _________ mA
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Three 2 V cells are connected in series and used as a battery in a circuit.
How many joules of electrical energy does 1 C gain on passing through (i) one cell (ii) all three cells?
The atoms of copper contain electrons and the atoms of rubber also contain electrons. Then why does copper conduct electricity but rubber does not conduct electricity?
A Radio Set Draws a Current of 0.36 a for 15 Minutes. Calculate the Amount of Electric Charge that Flows Through the Circuit.
What happens to the other bulbs in a parallel circuit if one bulb blows off?
How do you think the brightness of two lamps arranged in parallel compares with the brightness of two lamps arranged in series (both arrangements having one cell)?
Which effect of current is utilised in an electric light bulb?
State three factors on which the heat produced by an electric current depends. How does it depend on these factors?
Define the term resistivity.
State two differences between the e.m.f and terminal voltage of a cell.
