A 90v charge is applied acrosd 10ohm and 20ohm resistor in series what would be the current in 20ohm resistor?

1 Answer
PJ
Jul 17, 2018

#3A#

Explanation:

The resistors are in series so current flowing through one must also be flowing in the other.

#I = V/R#

#R_(Total) = R_1 +R_2# for resistors in series

We are told that #V = 90# volts and #R = 10Omega + 20Omega = 30Omega#

#I = 90/30 = 3A#

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