Question

find the amount of current figure in question

Answer 1

Answer:

For question 74

Resistors are connected in series combination

Therefore, Total resistance=10ohms

Voltage applied =8V

Current=V/R= 8/10 =0.8 A

For question 75

Resistors 6 ohm and 3 ohm are in series combination with eachother and parallel with other 3 ohm resistor

So, 1/Total Resistance = 1/(6+3) + 1/3

= 1/9 +1/3

= (3+1)/9 =4/9

So, Total resistance = 9/4 ohms

Here, Voltage applied = 15V

So, Current = V/R = 15/(9/4) = 15×4/9

= 20/3A = 6.66A

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