Concept explainers
The unknown current in the circuit.
Answer to Problem 75A
The unknown current in the circuit is
Explanation of Solution
Given:
A circuit consisting of two parallel branch of resistors, connected in series with another resistor across a battery. The current
Formula used:
The sum of the current flowing through the individual parallel branches equals the total current in the circuit.
Calculation:
Consider the given circuit.
  
In the given circuit,
  
Substituting the given current values in the equation (1), current in the second branch,
  
Conclusion:
The current in the required parallel branch of the circuit is 11.3 mA.
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