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1. Electricity
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Q12 of 330 Page 37

Find the current in each resistor in the circuit shown below:

Let R1=6Ὠ, R2=4Ὠ and V=24V

As the two resistances are connected in parallel. So the current across R1 will be



And the Current across R2 will be



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10

A wire that has resistance R is cut into two equal piece. The two parts are joined in parallel. What is the resistance of the combination?

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Calculate the combined resistance in each case:



13

Explain with diagrams what is meant by the “series combination” and “parallel combination” of resistances. In which case the resultant resistance is: (i) less, and (ii) more, than either of the individual resistances?

14

A battery of 9 V is connected in series with resistors of 0.2 Ω, 0.3 Ω, 0.4 Ω, 0.5 Ω and 12 Ω. How much current would flow through the 12 Ω resistor?

Questions · 330
1. Electricity
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