three resistors r1, r2 and r3 have a combined resistance of 20 ohm when connect in series. if the resistance of r1 and r2 is 4 ohm and 6 ohm respectively. calculate the magnitude of the resistance in r3.......
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Explanation:
using the formula for finding the equivalent resistance of series connected resistor
Req = R1 + R2 + R3 + ..... + Rn
you will get your ans.
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