The current flowing in resistor 1 in the given series circuit is determined as 1.0 A.
Equivalent resistance of the circuit
The equivalent resistance of the circuit is determined as follows;
Rt = R1 + R2
Rt = 15 + 5
Rt = 20ohms
Current flowing in the circuit
The current flowing in the circuit is determined from Ohm's law.
V = IR
I = V/R
I = 20/20
I = 1.0 A
since it is series circuit, same current will flow in R1 and R2.
Thus, the current flowing in resistor 1 in the given series circuit is determined as 1.0 A.
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