Four resistors are connected as shown in the figure. Find the resistance between

Question

Four resistors are connected as shown in the figure. Find the resistance between pointa a and b. Consider the circuit Consider a circuit where the flatteries have zero internal resistance and the currents are flowing in the direction indicated by the arrows. Using the direction of the arrow as positive (as shown), find the current through the 7.7 Ohm resistor and the S.2 V battery at the top of the circuit. A negative current denotes flow opposite to the direction of the arrow. At 2.59 the current in the resistor is I (Part 2) and the charge on the capacitor is q (Part I). What is the power delivered by the battery?

Explanation / Answer

004)
23 ohm and 38 ohm are in parallel

Their equivalant resistance be R'

R' = 23*38/(23+38)
= 14.3 ohm

R' is in series with 53 ohm
Let their equivalent resistance be R''

R'' =R' + 53
= 14.3 + 53
= 67.3 ohm

R'' and 87 ohm are in parallel.

Rnet = R''*87 / (R'' + 87)
= 67.3*87 / (67.3+87)
= 37.9 ohm

Answer: 37.9 ohm

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